Frontier Airlines

This article is about the company founded in 1994. For the earlier (1950 to 1986) company, see Frontier Airlines (1950–1986). For the similarly named Alaskan airline, see Frontier Flying Service.
Frontier Airlines
IATA ICAO Callsign
F9 FFT FRONTIER FLIGHT[1]
Founded February 8, 1994
Commenced operations July 5, 1994[2]
Hubs
Focus cities
Frequent-flyer program EarlyReturns
Fleet size 65
Destinations 59
Company slogan Low Fares Done Right[8]
Parent company Indigo Partners[9]
Headquarters Denver, Colorado, USA[10]
Key people Bill Franke (Chairman)[11]
Barry Biffle (CEO)[11][12]
Website www.flyfrontier.com

Frontier Airlines is a United States ultra low cost carrier headquartered in Denver, Colorado, USA.[10] The carrier, which is a subsidiary and operating brand of Indigo Partners, LLC,[13] operates flights to 54 destinations throughout the United States and 5 international destinations. The airline maintains a hub at Denver International Airport with numerous focus cities across the United States. Also, under a code-share agreement with Great Lakes Airlines, the airline connects passengers to surrounding Rocky Mountain States through their Denver hub.

History

A Frontier Boeing 737-300. Frontier retired its last 737 in 2005.
"Stan" the Ram (N942FR) Airbus A319

1990s

Frontier Airlines was incorporated on February 8, 1994, by a group that included executives of the original incarnation of Frontier Airlines in response to the void left by Continental Airlines 1993 shutdown of its Denver (Stapleton) hub.[14] Scheduled flights began five months later in July 1994 utilizing Boeing 737-200 jetliners on routes between Denver and four destinations in North Dakota: Bismarck, Minot, Fargo and Grand Forks. By January 1995, Frontier had expanded its route network from Denver and was serving Albuquerque, NM, Billings, MT, Bismarck, ND, Bozeman, MT, El Paso, TX, Fargo, ND, Great Falls, MT, Las Vegas, NV, Missoula, MT, Omaha, NE, and Tucson, AZ with Boeing 737 jet service.[15] Like the original airline of the same name, the new Frontier operated a hub at Denver (DEN) and for the first nine years used the slogan "The Spirit of the West" which was displayed above the windows and just behind the cursive letters "Frontier" on the fuselage of their aircraft. In 1999, Frontier signed agreements to begin purchasing and leasing Airbus A318 and A319 jet aircraft and had also added Boeing 737-300 jetliners to its fleet as well. Also by September 1999, the airline was serving destinations from coast to coast in the U.S. having expanded its route network to include Atlanta (ATL), Baltimore (BWI), Bloomington/Normal, IL (BMI), Boston (BOS), Chicago (MDW, Midway Airport), Dallas/Fort Worth (DFW), Phoenix (PHX), Los Angeles (LAX), Minneapolis/St. Paul (MSP), New York City (LGA, LaGuardia Airport), Orlando (MCO), Portland, OR (PDX), Salt Lake City (SLC), San Diego (SAN), San Francisco (SFO) and Seattle (SEA), all served from its Denver hub.[16]

2000s

Frontier took delivery of its first Airbus aircraft (an A319) in 2001 and simultaneously launched with it DirecTV in-flight television along with a new company livery. Frontier Airlines was the launch customer[17] of the Airbus A318 in 2003. In mid-April 2005, Frontier officially became an all-Airbus fleet, retiring its last Boeing 737.

As part of its plan to stay competitive in reaction to the entry of Southwest Airlines into Denver, the company underwent a reorganization early in 2006. On April 3, 2006, Frontier created Frontier Airlines Holdings (FRNT), a holding company incorporated in Delaware to take advantage of favorable tax laws in that state. The corporate headquarters did not leave Colorado.[18]

On January 11, 2007, Frontier Airlines signed an 11-year service agreement with Republic Airlines. Under the agreement, Republic was to operate 17, 76-seat Embraer 170 aircraft for the former Frontier JetExpress operations. At the time the contract was canceled in April 2008, Republic Airlines operated 11 aircraft for Frontier Airlines, with the remaining six aircraft expected to join the fleet by December 2008. With the integration of Republic aircraft, the 'JetExpress' denotation was removed. Subsequent to the cessation of Horizon's services for Frontier in December 2007, all flights operated by Republic were sold and marketed as "Frontier Airlines, operated by Republic Airlines." The first market created specifically for the Embraer 170 was Louisville, Kentucky, which began on April 1, 2007. Service to Louisville was suspended in August 2008 but restarted in April 2010.

On January 24, 2007, Frontier was designated as a major carrier by the United States Department of Transportation.[19]

Flights operated by Republic Airlines offered in-flight snack and beverage services similar to Frontier's mainline flights. Unlike Frontier's aircraft and due to the nature of contracting with regional carriers, these Embraer 170 aircraft were not fitted with LiveTV.

Bankruptcy and acquisition by Republic

On April 10, 2008, Frontier filed for Chapter 11 bankruptcy in reaction to the intent of its credit card processor, First Data, to withhold significant proceeds from ticket sales.[20] First Data decided that it would withhold 100% of the carrier's proceeds from ticket sales beginning May 1.[21] According to Frontier's press release, "This change in practice would have represented a material change to our cash forecasts and business plan. Unchecked, it would have put severe restraints on Frontier's liquidity..." Its operation continued uninterrupted, though, as Chapter 11 bankruptcy protected the corporation's assets and allowed restructuring to ensure long-term viability.

After months of losses, Frontier Airlines reported that they made their first profit during the month of November 2008. Frontier Airlines reported $2.9 million in net income during the month of November.[22]

On June 22, 2009, Frontier Airlines announced that pending bankruptcy court approval, Republic Airways Holdings, the Indianapolis-based parent company of Republic Airlines, would acquire all assets of Frontier Airlines for the amount of $108 million. Thus, Frontier Airlines would become a wholly owned subsidiary of Republic.[23] However, 5 weeks later on July 30, Dallas-based Southwest Airlines announced that it would be making a competing bid of $113.6 million for Frontier with intentions to also operate Frontier as a wholly owned subsidiary, but that it would gradually fold Frontier resources into current Southwest operating assets.[24]

During a bankruptcy auction on August 13, 2009, Republic Airways Holdings acquired Frontier Airlines and its regional airline, Lynx Aviation, as wholly owned subsidiaries.[25] Republic completed the transaction on October 1, 2009, and Frontier officially exited bankruptcy as a new airline.[26]

In late 2009 Republic began to consolidate administrative positions and moved 140 jobs from the Frontier Airlines Denver headquarters to Indianapolis, Indiana.[27] Shortly after that, in January 2010, Republic Airways announced that it would move all of its executives to Indianapolis.[28] In February the Denver Business Journal stated that the headquarters would be moved "soon."[29] Despite this, according to the Denver Business Journal, Frontier Airlines will still maintain a local headquarters in Denver to house Training, Marketing, Customer Reservations, and Scheduling & Planning teams after extending its lease on the building through 2020.

In 2010, Frontier's then-CEO Bryan Bedford took part in the TV show Undercover Boss.[30]

Merger with Midwest Airlines

As Republic Airways Holdings was in the process of bidding to acquire Frontier in 2009, it was also in the process of acquiring Milwaukee-based Midwest Airlines. Through the fall and winter of 2009, Republic operated its two new acquisitions as separate brands. However, to improve efficiency by better matching aircraft capacity to route demand, Republic began to intermix the fleets of the two airlines, swapping a portion of its higher-capacity planes from Frontier with its smaller-capacity planes from Midwest and vice versa. However, the move caused some confusion amongst the public, as the two brands did not offer the same amenities and did not match the amenities mentioned on the airfare. As a result, in the Spring of 2010, Frontier and Midwest Airlines announced that their brands would merge, with Frontier being the surviving brand.[31] This was a merger of brands only—no Midwest Airlines aircraft was ever operated by Frontier, as by this time, all Midwest Airlines flights were operated on its behalf by other Republic Airways Holdings subsidiaries.

On April 13, 2011, Frontier formed a new subsidiary, Frontier Express, that was planned to operate the airline's smaller aircraft with different services than those available on full-size aircraft.[32]

2010s

Closing Milwaukee Hub

After merging with Midwest Airlines, Frontier cut 11 out of its 18 flights leaving a total of just 7 from Milwaukee's MKE to Denver, Orlando, Rhinelander and Washington-National.[33] At its peak, Frontier operated around 50-80 flights from Milwaukee daily.

On September 9, 2011, Frontier notified the public of a 40% reduction of arriving and departing flights from MKE. Along with this reduction of flights, the company laid off approximately 140 employees from the MKE station. This includes but is not limited to: maintenance, grooming services, flight-line and gate.[34]

In February 2012, Frontier Airlines cut five nonstop routes from Milwaukee. This move "reduced Frontier's daily departing flights out of Mitchell International from 32 to 18," or 56%. Frontier announced further layoffs in conjunction with this route change: up to 446 Milwaukee-area employees were affected by the job cuts that occurred between April 15 and April 30, 2012.[35]

Republic Airways spinoff of Frontier

In an effort to focus on regional contract flights for major carriers, Republic Airways Holdings announced in January 2012 its intention to sell or spin off Frontier.[13][36] On January 26, 2012, Republic Airways Holdings appointed former US Airways and Gate Gourmet CEO David Siegel as President and CEO of Frontier Airlines. Republic also added new senior officers for Frontier’s finance and commercial team, among other changes in the executive leadership team. Siegel and other Frontier executives moved to Denver where Frontier is headquartered in order to facilitate management of all aspects of Frontier during its separation process from Republic and continue its transformation into an ultra-low-cost carrier.[10]

Trenton and Wilmington bases

In November 2012, Frontier started low-frequency service between Orlando International Airport and Trenton–Mercer Airport near Trenton, New Jersey,[37] which, at the time, had no commercial service. Frontier later expanded service several times from Trenton, and as of June 2016 services 11 destinations. Frontier currently bases three aircraft in Trenton. Trenton Mercer Airport lies roughly equidistant between Philadelphia International Airport and Newark Liberty International Airport.

In July 2013, Frontier started service from New Castle Airport near Wilmington, Delaware to five destinations,[38] which Frontier markets as Wilmington/Philadelphia. Again, this airport had no commercial service prior to Frontier's entry. New Castle Airport lies roughly 30 miles southwest of Philadelphia International Airport and 75 miles northeast of Baltimore–Washington International Airport.

Frontier marketed both the Trenton-Mercer and Wilmington-Philadelphia airports as low-cost, low-hassle alternatives to the existing nearby commercial airports. Frontier was the only commercial carrier at these two airports.

In June 2014, Frontier Airlines opened a crew base for flight attendants at Trenton–Mercer Airport.[39]

In January 2015, Frontier Airlines cut several flights from Wilmington and Trenton. It also resumed service to Philadelphia, casting doubt on the airline's existing bases.[40][41] In late June 2015, Frontier announced it had ceased service in Wilmington, stating it was not profitable.[42]

Acquisition by Indigo Partners

In October 2013, Republic Airways Holdings entered into an agreement with private equity firm Indigo Partners to sell Frontier Airlines for approximately $145 million. According to Indigo, the transaction would further Frontier’s evolution into an ultra-low-cost carrier.[13] In December 2013, Indigo Partners LLC, through an affiliate, completed the purchase of Frontier Airlines from Republic Airways Holdings. The airline's headquarters will remain in Denver.[43] Republic Airways Holdings subsidiary Republic Airlines no longer flies Embraer 190 aircraft on behalf of Frontier, as of January 1, 2014.

In 2014, Frontier announced it would be transitioning into an ultra-low cost carrier.[44] Frontier will also cut several flights and jobs at their Denver hub and transition them to different markets. On January 16, 2015 Frontier announced that it will close both its Denver and Milwaukee call centers, laying off 1,300 employees and outsourcing the jobs to call center company, Sitel.[45]

In May 2015, Indigo and Frontier announced the departure of David Siegel as CEO. He had already previously turned over the role of president to Barry Biffle, formerly of Spirit Airlines. Siegel was not immediately replaced. Instead, his duties were split between Biffle and Indigo chairman Bill Franke. Biffle cited operational issues in connection with Siegel's departure.[46]

Slimline Seats

All Frontier Airlines aircraft feature slimline seating. Main cabin seats are pre-reclined. "Stretch" row seating features a reclining seat, lumbar support and diamond stitching which are sold for an additional charge. There are no televisions in any of the seats. The middle seats are the widest of any airline in the United States. Frontier did this to lower their cost per seat by 30%.

Route System Growth

In February 2015, Frontier announced that they will begin service to several destinations from Atlanta adding the airport as a focus city. In July, Frontier also began decreasing service from Washington Dulles International Airport removing the airport as a focus city. In August 2015, Frontier Airlines joined Spirit and Allegiant by removing their toll-free telephone number for customer service.[47] In early 2016 Frontier announced major route expansion from airports nationwide including Atlanta, Chicago, Cincinnati, Cleveland, Orlando, & Philadelphia.[48] In June 2016, Frontier re-established service to Port Columbus International Airport.[49]

Former Regional Carriers

Frontier Express Embraer ERJ-145 operated by Chautauqua

Frontier Express

Main article: Chautauqua Airlines

Chautauqua Airlines operated up to 12 Embraer 135 and 145 jets out of Milwaukee. Frontier began branding these flights as Frontier Express in the spring of 2011. With the pull-down of the Milwaukee hub, the only route that continued to operate with a Frontier Express ERJ-145 jet was Milwaukee to Rhinelander. However, Frontier service to Rhinelander ended on January 3, 2013, and Chautauqua transferred the remaining aircraft to other partners.

Frontier JetExpress

In February 2002, the airline launched its first regional product, Frontier JetExpress, initially operated by Mesa Airlines using CRJ-200 regional jets. Similar to "express" operations of other carriers, Frontier JetExpress was targeted for markets to and from Denver that do not generate traffic sufficient to support Frontier's smallest mainline jet, the Airbus A318, but could still offer lucrative business with a smaller jet.

The initial JetExpress partnership with Mesa ended in January 2004, when Horizon Air was selected to operate the routes. Horizon utilized slightly larger CRJ-700 aircraft on these routes. In August 2006, Frontier and Horizon ended their partnership.[50] While Frontier was generally pleased with Horizon's operation, the carrier decided that it needed to revisit the agreement and find a provider with additional regional jets to grow the operation. The last of the CRJ-700's was returned to the Horizon Air fleet on November 30, 2007.

Denver International Airport's Pedestrian Bridge, with many Frontier and Lynx Aviation aircraft in the foreground

Lynx Aviation

Main article: Lynx Aviation

On September 6, 2006, Frontier created a new division of the holding company, known as Lynx Aviation, to operate Bombardier Q400 aircraft beginning in May 2007.[51] On December 5, 2007, Lynx Aviation received its operating certificate from the FAA. Lynx began passenger operations on the morning of December 6, 2007.

After commencing operations, Lynx added service to 12 regional destinations: Albuquerque, Aspen, Billings, Bozeman, Colorado Springs, Durango, Fargo, Jackson Hole (Seasonal), Oklahoma City, Rapid City, Tulsa, and Wichita. Two additional cities, Omaha and Salt Lake City, were served by Lynx Aviation along with Frontier Airlines mainline service.

In 2012, the Lynx Aviation operation was folded into Republic Airways Holdings subsidiary Republic Airlines. The remaining Q400 aircraft were withdrawn from Frontier service and placed in service for United Airlines.

Maverick Airways

In 1997, Maverick Airways was operating code share service for Frontier with de Havilland Canada DHC-7 Dash 7 STOL capable turboprops between Denver (DEN) and two destinations in Colorado: Grand Junction (GJT) and Steamboat Springs (SBS).[52] However, the service was short lived as Maverick encountered financial challenges and then ceased all flights.

Destinations

Frontier Airlines currently flies to 59 destinations throughout the United States, Mexico, Jamaica, and the Dominican Republic. In 2016 Frontier will begin service to five new destinations Pittsburgh International Airport, San Antonio International Airport, John Glenn Columbus International Airport, Colorado Springs Airport and Punta Gorda/Fort Myers Airport.

Fleet

As of October 4, 2016, the Frontier Airlines fleet consists of the following aircraft:[53]

Frontier Airlines fleet
Aircraft Active Orders Passengers Notes
Airbus A319-100 26 — 150 Older aircraft to be retired; newer aircraft to get slimline seats
Airbus A319neo — 18 156 Deliveries begin 2016[54]
Airbus A320-200 25 0 180/186
Airbus A320neo 1 61 186 Deliveries began 2016[54]
Airbus A321-200 13 6 230 Deliveries began October 2015[54]
Total 65 85 — —

During the 2011 Paris Air Show, Republic Airways Holdings ordered 60 A320neo aircraft and 20 A319neo aircraft for Frontier.[54] In 2014 the airline ordered 19 Airbus A321neos.[55] In October 2016 Frontier Airlines took delivery of its first Airbus A320neo aircraft (of 80) and became the second US operator (after Spirit Airlines) of the type.[56]

Retired Fleet
Aircraft Replacement Year Retired
Airbus A318-100 A320-200 2013
Embraer E-170 A320-200 2013
Embraer E-190 A320-200 2013
Boeing 737-200 A318-100 2004
Boeing 737-300 A319-100 2005

Frontier Airlines was the launch customer of the Airbus A318, but all 11 of its A318s were retired, 10 which were parted out for scrap by 2013.[57]

Row of Frontier airplanes at Denver International Airport

Livery

From 1994 to 2003, the airline's livery consisted of green script "Frontier" titles on the forward fuselage, a small "Spirit of the West" slogan, and wildlife photography on the tail of each aircraft.[58] Most Boeing 737 aircraft featured different imagery on both sides.[59]

Beginning in 2001, a new livery was introduced on the airline's new Airbus A319s, with large silver "FRONTIER" titles on the sides of the aircraft, and the airline's "Spirit of the West" slogan, later changed to "A whole different animal." The animal tails were retained, although only one image per aircraft was now used. Though the airline's Boeing 737s remained in the fleet until 2005, none were repainted into this livery.

In April 2013, Frontier introduced a modified version of that livery,[60] keeping the iconic animals on aircraft tails, but dropping its former slogan and replacing "FRONTIER" with "FLYFRONTIER.COM", the company's website, in support of new marketing that focused heavily on the airline's web presence. This livery was only painted on a few newly delivered aircraft. Aircraft in the older livery received "FLYFRONTIER.COM" titles on engine nacelles.

On September 9, 2014, Frontier introduced an updated livery,[61] as part of a rebranding that saw the spokesanimals' roles increase. The new livery reintroduced a green "FRONTIER" typeface to the fuselage, featuring the stylized "F" designed by Saul Bass for the original Frontier in 1978. Each aircraft features the name of the animal featured on its tail near the nose of the aircraft for easier identification. Currently about fifteen aircraft in the Frontier fleet feature the new livery.

Frontier Airbus A321 in the current livery at Cleveland Hopkins International Airport

Animal concepts used in the livery extend into Frontier’s marketing as well. Each animal has a specific name.[62] Animal aircraft used in their radio and television commercials include Jack the rabbit, Grizwald the bear, Foxy the fox (for whom Jack has a crush), Flip the dolphin (who always gets stuck going to Chicago rather than the warmer climates the others are going to), Larry the lynx, Hector the sea otter, and Sal the cougar. New additions are Penguins Jim, Joe, Jay, and Gary, a barbershop-style quartet, singing the praises of EarlyReturns to an audience of Frontier’s well-known characters from the "a whole different animal" campaign, Hector the otter, advertising Frontier's expanding service to Mexico, and Polly the Parrot, who won the new animal audition in 2012.

Frequent flyer program

The airline has a frequent-flyer program called EarlyReturns. It does not partner with any other airlines for cross-crediting of frequent flyer mileage credits.

See also

References

  1. ↑ "Airline codes and callsigns". 1 January 2005.
  2. ↑ "Frontier Airlines - Our History, 1993–1998". Frontier Airlines. Retrieved July 5, 2013.
  3. ↑ "Frontier Increases its Focus on Atlanta". Retrieved 22 January 2016.
  4. ↑ "Frontier sets sales record with new Cincinnati flights". Retrieved 22 January 2016.
  5. ↑ Mutzabaugh, Ben (21 March 2014). "Frontier Airlines tabs Cleveland as newest focus city". USA Today. Retrieved 1 October 2014.
  6. ↑ "Frontier Airlines' rapid network changes continue. A return to Philadelphia, now with a ULCC mindset". Retrieved 22 January 2016.
  7. ↑ "Frontier Airlines will make Trenton's airport its East Coast base". Aviationpros.com. 2013-01-15. Retrieved 2013-03-21.
  8. ↑ "Flights - Frontier Airlines".
  9. ↑ "Indigo Partners Completes Acquisition Frontier Airlines". Business Wire. 2013-12-03. Retrieved 2013-12-03.
  10. 1 2 3 "News Release" (Press release). Phx.corporate-ir.net. 2012-01-26. Retrieved 2012-05-17.
  11. 1 2 "Frontier Airlines CEO steps down citing personal reasons". Yahoo News. 13 May 2015.
  12. ↑ "Frontier Airlines Appoints Barry L. Biffle as President". PRWeb (Press release). 21 April 2014. Retrieved 1 October 2014.
  13. 1 2 3 "Indigo Partners Completes Acquisition of Frontier Airlines". Business Wire. December 3, 2013.
  14. ↑ "Our History - Frontier Airlines". Retrieved 1 October 2014.
  15. ↑ http://www.departedflights.com, Jan. 14, 1995 Frontier Airlines route map
  16. ↑ http://www.departedflights.com, Sept. 9, 1999 Frontier Airlines route map
  17. ↑ "A318 is certificated as newest and smallest Airbus aircraft" (Press release). Retrieved 1 October 2014.
  18. ↑ "Frontier Airlines Fact Sheet". Frontier Airlines. Retrieved 2006-11-01.
  19. ↑ "Frontier Airlines Newsroom: Frontier Airlines Offers a Major Sale From a Major Airline!". Media.frontierairlines.com. Retrieved 2012-05-17.
  20. ↑ "Frontier Airlines Chapter 11 Petition" (PDF). PacerMonitor. PacerMonitor. Retrieved 9 June 2016.
  21. ↑ Leavitt, Noelle; McGaw, Renee (2008-04-11). "First Data offers regrets about Frontier Airlines". Denver Business Journal. Retrieved 2008-04-10.
  22. ↑ "Frontier Reports First Profits in Chapter 11".
  23. ↑ "Republic Airways to Serve as Equity Sponsor for Frontier's Exit from Bankruptcy" (PDF).
  24. ↑ "Southwest Bids for Frontier Airlines".
  25. ↑ "Republic Airways to Acquire Frontier Airlines". biztimes.com. Retrieved 2009-08-14.
  26. ↑ http://online.wsj.com/article/BT-CO-20091001-709198.html
  27. ↑ Sealover, Ed. "More Frontier Airlines jobs leaving Denver." Denver Business Journal. Tuesday December 8, 2009. Retrieved on December 9, 2009.
  28. ↑ http://abcnews.go.com/Business/wireStory?id=9562728 1
  29. ↑ Harden, Mark. "DIA fare wars: Frontier Airlines offers summer discounts to 7 new destinations." Denver Business Journal. Monday February 15, 2010. Retrieved on February 17, 2010. "Frontier is a unit of Republic Airways Holdings Co., based in Indianapolis. Frontier’s headquarters will be moving soon to that city."
  30. ↑ "Frontier Airlines' Bryan Bedford: Riskiest Undercover Boss Yet". AOL Jobs.
  31. ↑ Daykin, Tom (2010-04-13). "New name for Midwest-Frontier airline: Frontier". Milwaukee Journal Sentinel. Retrieved 2010-04-13.
  32. ↑ "Frontier Airlines cuts fee for changing tickets". CBS News. April 13, 2011. Archived from the original on April 18, 2011. Retrieved April 19, 2011.
  33. ↑ http://www.jsonline.com/business/frontier-to-cut-11-flights-from-milwaukee-furlough-125-worker…
  34. ↑ "Frontier Airlines layoffs". Todaystmj4.com. 2011-09-09. Retrieved 2011-09-09.
  35. ↑ Daykin, Thomas (13 February 2012). "Frontier Airlines to cut about 450 Milwaukee-area employees". Milwaukee Wisconsin Journal Sentinel. Retrieved 14 April 2012.
  36. ↑ "Does Frontier Have a Future?". BusinessWeek. 2011-11-08. Retrieved 2012-05-17.
  37. ↑ Frontier’s Trenton – Orlando Service Takes Flight | Frontier Airlines Newroom. News.flyfrontier.com (2012-11-16). Retrieved on 2013-08-16.
  38. ↑ Frontier Airlines Service from Wilmington/Philadelphia Takes Flight | Frontier Airlines Newsroom. News.flyfrontier.com (2013-07-01). Retrieved on 2013-08-16.
  39. ↑ Frontier Airlines Newsroom. News.flyfrontier.com (2014-2-28). Retrieved on 2014-03-01
  40. ↑ "Frontier Airlines officials remain committed to Trenton–Mercer Airport amid service cancellations". NJ.com. Retrieved 3 April 2015.
  41. ↑ "Watch: What Will Frontier's Move to the Market Mean for Philly Travelers?". TravelPulse. Retrieved 3 April 2015.
  42. ↑ "Frontier Airlines officially departs Delaware". delawareonline. 26 June 2015.
  43. ↑ "Frontier Airlines sale finalized to Indigo Partners LLC". denverpost.com. 2012-12-03. Retrieved 2012-12-29.
  44. ↑ "Frontier Airlines owner hints at mergers ahead among low-cost carriers". Denver Business Journal. 19 January 2015. Retrieved 3 April 2015.
  45. ↑ "Frontier Airlines to outsource 1,160 airport, reservations jobs in Denver". FOX31 Denver. Retrieved 3 April 2015.
  46. ↑ Laura Keeney The Denver Post (13 May 2015). "David Siegel out as Frontier Airlines CEO".
  47. ↑ Ben Mutzabaugh, USA TODAY (11 August 2015). "Frontier is latest airline to do away with toll-free customer service number". USA TODAY.
  48. ↑ "Frontier Announces Major Route Expansion". April 4, 2016.
  49. ↑ "Frontier Airlines launches at Port Columbus".
  50. ↑ "Frontier JetExpress ends". Retrieved 1 October 2014.
  51. ↑ Yamanouchi, Kelly (2006-09-06). "Frontier thinking small to go bigger". Denver Post. Retrieved 2006-09-07.
  52. ↑ Airways North American Airlines Handbook, 1997 edition, Maverick Airways
  53. ↑ "Frontier Air". ch-aviation.ch. Retrieved 2013-12-29.
  54. 1 2 3 4 "Republic alludes to A320neo place holder deposit". Retrieved 1 October 2014.
  55. ↑ "A321s for Frontier". Airliner World: 15. January 2015.
  56. ↑ "Airbus A320 neos in the US". Airliner World (December 2016): 16.
  57. ↑ "Frontier Airlines A318 Production List search - Planespotters.net". Retrieved 9 October 2014.
  58. ↑ "Aviation Photo #0238841: Boeing 737-3L9 - Frontier Airlines".
  59. ↑ "Animal Tales". Retrieved 14 April 2015.
  60. ↑ Frontier Airlines | FlyFrontier.com Livery. Flyfrontier.com. Retrieved on 2013-08-16.
  61. ↑ InAirlineNews.com. Retrieved on 2014-09-09.
  62. ↑ Frontier Airlines | Animal Tails. Flyfrontier.com. Retrieved on 2015-04-14.
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