United Airlines fleet

United Airlines operates 924 aircraft, giving it the third largest commercial airline fleet in the world.[1][2][3] It primarily operates a mix of Airbus and Boeing narrowbody and all Boeing widebody aircraft. As of September 2023, with an average age of 16.3 years, United has the oldest fleet of all major US airlines.[4][5][6][7] Their oldest planes are the Boeing 767-300ER from the early 1990s, which are between 30 and 32 years old.[8] However, United recently placed several orders for new narrowbody and widebody aircraft and are expecting over 700 new planes in their fleet by 2033.

This article is about the mainline United Airlines fleet, including the historical fleets of United Airlines. For information about the fleet of United's regional operations, see United Express § Fleet.

Current fleet

As of October 2023, United Airlines operates the following aircraft:[9][10]

United Airlines fleet
Aircraft In
service		 Orders Passengers Notes
J F W Y+ Y Total Refs
Airbus A319-100 81 — — 12 — 36 78 126 [11] To be retrofitted with United's Signature Interior by 2025.[12]
Older A320s to be retired.[13]
Airbus A320-200 92 — — 12 — 42 96 150 [14]
Airbus A321neo 1[15] 129[16][17] — 20 — 57 123 200 [18] Deliveries until 2032.[18]
Airbus A321XLR — 50[19] TBA Deliveries start in 2024.[19]
To replace Boeing 757.[20]
Airbus A350-900 — 45[21]
TBA
 Deliveries deferred to 2030.[22]
Boeing 737-700 40 — — 12 — 36 78 126 [23] To be retrofitted with United's Signature Interior by 2025.[12]
All aircraft to be retrofitted with new domestic first-class seats by 2026.
Boeing 737-800 141 — — 16 — 48 102 166 [24] To be retrofitted with United's Signature Interior by 2025.[12]
54 96
42 108
Boeing 737-900 12 — — 20 — 42 117 179 [25]
Boeing 737-900ER 136 — — 20 — 45 114 179
42 117
39 120
Boeing 737 MAX 8 67 407[26][27] — 16 — 54 96 166 [24] All aircraft to be retrofitted with new domestic first-class seats by 2026.
Boeing 737 MAX 9 78 — 20 — 48 111 179 [25] First 30 aircraft were not delivered with United's Signature Interior but will be retrofitted by 2025.
All aircraft to be retrofitted with new domestic first class seat by 2026.[12][28]
Boeing 737 MAX 10 —
TBA
 Launch customer.[29]

Deliveries start in 2024.[30]
International lie-flat configuration.

— 20 — 64 104 188 [16] Domestic configuration.[12]
Boeing 757-200 40 — 16 — — 45 108 169 [31] To be retrofitted with a 176-seat configuration.
42 118 176 To be replaced by the Airbus A321XLR.[32]
Boeing 757-300 21 — — 24 — 54 156 234 [33] To be retrofitted with United's Signature Interior by 2025.
Largest 757-300 operator.[12]
Boeing 767-300ER 13 — 30 — 24 32 113 199 To be retired and replaced by Boeing 787.[34]
24 46 — 22 43 56 167
Boeing 767-400ER 16 — 34 — 24 48 125 231 [35]
Boeing 777-200 19 — 28 — — 102 234 364 [36] Launch customer.[37]
To be retired and replaced by Boeing 787.[34]
Boeing 777-200ER 51 — 50 — 24 46 156 276 [36]
4 32 — — 124 206 362 Domestic configuration.
Boeing 777-300ER 22 — 60 — 24 62 204 350 [38]
Boeing 787-8 12 150[26][39][17] 28 — 21 36 158 243 [40] Order with 100 options.[41]
To replace Boeing 767-300ER and Boeing 777-200.[34]
Boeing 787-9 38 48 — 21 39 149 257 [42]
Boeing 787-10 21 44 — 21 54 199 318 [43]
Total 924 781

Historical fleet
United Airlines former fleet[44]
Aircraft Total Introduced Retired Replacement Notes
Boeing 40A Un­known 1927 1937 Un­known Launch customer.
Operated by Boeing Air Transport[45] and Varney Air Lines.
Boeing 80A Un­known 1928 1934 Un­known Launch customer.
Operated by Boeing Air Transport.
Boeing 247 59[46] 1933 1942 Un­known Launch customer.
All base models were built for United Airlines.[47]
Boeing 377 Stratocruiser 7[46] 1950 1954 Un­known
Boeing 720 29[46] 1960 1976 Boeing 727 Launch customer.
Boeing 727-100 126 1963 1993 Boeing 737-500
Boeing 727-200 104 1968 2001 Airbus A320 family
Boeing 737 Classic
Boeing 737 NG
Bombardier CRJ-700
Boeing 737-200 101 1968 2001 Launch customer.
Boeing 737-300 103 1986 2009
Boeing 737-500[48] 73 1990 2009
29 2010 2013 Taken over from merged Continental Airlines.
Boeing 747-100 23 1970 1999 Boeing 747-400
Boeing 777-200ER		 One was damaged as Flight 811, but was later repaired and re-registered as N4724U.
Boeing 747-200B 10 1987 2000
Boeing 747SP 11 1985 1995 Boeing 747-400
Boeing 767-300ER
Boeing 777-200		 Taken over from Pan Am.
Boeing 747-400 44 1989 2017 Boeing 777-300ER
Boeing 787 Dreamliner		 Largest operator of Boeing 747-400 in United States.
Boeing 767-200 36 1982 2005 Boeing 757-200
Boeing 767-200ER
Boeing 767-300ER		 Launch customer. Many were later upgraded to -ER standards.
One hijacked and crashed into South Tower of the World Trade Center as Flight 175, as part of the September 11 attacks.
Boeing 767-200ER[49] 16 2010 2013 Boeing 757-200
Boeing 767-300ER		 Taken over from merged Continental Airlines.
Convair 340 52 1952 1968 Un­known
Douglas DC-3 118 1936 1956 Convair 340
Douglas DC-4 36 1946 1957 Un­known
Douglas DC-4E Un­known
Douglas DC-6 90 1946 1969 Un­known
Douglas DC-6B Un­known
Douglas DC-7 57 1954 1966 Un­known
Douglas DC-8-10 2 1959 1961 None Both crashed as Flight 826 and Flight 859.
Douglas DC-8-20 30 1959 1982 Un­known
McDonnell Douglas DC-8-30 11 1967 1974 Un­known
McDonnell Douglas DC-8-50 33 1959 1987 Boeing 757-200
Boeing 767-200
Boeing 767-300ER
McDonnell Douglas DC-8-60 12 1967 1987
McDonnell Douglas DC-8-70 29 1967 1991
Ford Trimotor Un­known 1931 Un­known Un­known Operated on a transcontinental route between New York City and San Francisco.[50]
Laird Swallow J-5 Un­known Un­known Un­known Un­known Single seat biplane used to carry US Air Mail (CAM 5) by predecessor Varney Air Lines.[51]
Lockheed L-1011 TriStar 6 1986 1989 McDonnell Douglas DC-10-30 Taken over from Pan Am.[44]
All aircraft were sold to Delta Air Lines
McDonnell Douglas DC-10-10 48 1971 2001 Boeing 757-200
Boeing 767-300ER
Boeing 777-200		 Launch customer.
One crashed as Flight 232
McDonnell Douglas DC-10-30 7 1983 2001
4 None Converted into freighters for the short-lived "United Airlines Worldwide Cargo" service.
Sud Aviation Caravelle 20 1961 1970 Boeing 727
Boeing 737-200		 Only U.S. operator in scheduled passenger service.
Used to operate "Executive" service between Chicago and Newark restricted to men only passengers. Also operated on other United domestic services.
Vickers Viscount 48 1961 1969 Former Capital Airlines aircraft.
Only mainline turboprop aircraft type ever operated by United Airlines.

References
  1. "United Airlines Fleet Details". airfleets.net. Retrieved September 22, 2023.
  2. "Delta Air Lines Fleet details". airfleets.net. Retrieved September 22, 2023.
  3. "American Airlines fleet details". airfleets.net. Retrieved September 22, 2023.
  4. "United Airlines Fleet Age". airfleets.com. Retrieved September 16, 2023.
  5. "American Airlines Fleet Age". airfleets.com. Retrieved September 16, 2023.
  6. "Delta Airlines Fleet Age". airfleets.com. Retrieved September 16, 2023.
  7. "Airline Fleet age". airfleets.com. Retrieved September 16, 2023.
  8. "United Airlines Fleet Details and History". Planespotters.net. 2023-09-16. Retrieved 2023-09-16.
  9. "United Airlines Fleet Information". United Airlines.
  10. "United Airlines Fleet Details and History". Planespotters.net. Retrieved December 1, 2022.
  11. "Airbus 319 (319) | United Airlines". Retrieved October 20, 2020.
  12. "United Adds 270 Boeing and Airbus Aircraft to Fleet, Largest Order in Airline's History and Biggest by a Single Carrier in a Decade". United Hub. 2021-06-29. Retrieved 2021-10-19.
  13. "United Airlines Fleet Details and History". www.planespotters.net. Retrieved 2023-08-13.
  14. "Airbus 320 (320)". United.com. Retrieved March 26, 2013.
  15. Villamizar, Helwing (2023-10-12). "United Airlines Welcomes First A321neo Aircraft". Airways. Retrieved 2023-10-12.
  16. "United Adds 270 Boeing and Airbus Aircraft to Fleet, Largest Order in Airline's History and Biggest by a Single Carrier in a Decade". United Hub. 29 June 2021. Retrieved June 29, 2021.
  17. "United Airlines purchases more new planes, eyeing fewer, larger flights". Chicago Tribune. 3 October 2023.
  18. Schlappig, Ben (2023-09-10). "United Airlines Airbus A321neo Enters Service Late 2023". One Mile at a Time. Retrieved 2023-09-15.
  19. "United Airlines Sets a Course for the Future With Order of 50 Airbus A321XLR Aircraft". United Hub. United Airlines. 2019-12-03. Retrieved 2019-12-04.
  20. "United Airlines New Airbus A321XLR Fleet - What We Know So Far". Simple Flying. 2020-06-16. Retrieved 2020-11-24.
  21. "New agreement with United Airlines increases A350 XWB order to 45". Airbus.com. September 6, 2017. Retrieved March 1, 2019.
  22. "United Airlines makes big Boeing order, including 100 787 Dreamliners". Reuters. December 13, 2022. Retrieved December 13, 2022.
  23. "Boeing 737-700". United.com. Retrieved April 10, 2017.
  24. "Boeing 737-800 (738)". United.com. Retrieved November 15, 2014.
  25. "Boeing 737-900". United.com. Retrieved September 14, 2019.
  26. "United Airlines Unveils Historic Order to Purchase Up To 200 New Boeing Widebody Planes". United.com. December 13, 2022. Retrieved December 13, 2022.
  27. "Boeing Orders & Deliveries". Boeing.com. Retrieved March 30, 2023.
  28. "United Airlines Orders 270 Planes, Modernizes Cabins". 29 June 2021.
  29. "United Airlines Orders 200 More Boeing 737 MAX Jets". MediaRoom. Retrieved 2023-09-21.
  30. "United Airlines Boeing 737 MAX 10 spotted with special livery promoting SAF - AeroTime". 2023-08-21. Retrieved 2023-09-21.
  31. "Boeing 757-200 (752) | United Airlines". United.com. Retrieved March 26, 2013.
  32. Hemmerdinge, Jon (2021-06-29). "United Airlines still undecided on 757-300 replacements: CEO Kirby". Flight Global. Retrieved 2021-07-11.
  33. "Boeing 757-300 (753)". United.com. Retrieved September 25, 2019.
  34. Walker, Steven (2023-08-01). "United Airlines Boeing 767 Damaged After Hard Houston Landing". Simple Flying. Retrieved 2023-09-21.
  35. "Boeing 767-400ER (764)". United.com. Retrieved March 26, 2013.
  36. "777-200". United.
  37. "The Boeing 777 Just Turned 25". Simple Flying.
  38. "Boeing 777-300ER (77W)". United.com. Retrieved September 24, 2020.
  39. "United Airlines Ordered Seven 787-10s Last Quarter - One Mile at a Time".
  40. "Boeing 787-8 Dreamliner". United.com. Retrieved March 8, 2020.
  41. "United Airlines orders 100 Boeing 787 Dreamliners, with options for 100 more". ABC News. Retrieved 2023-09-21.
  42. "Boeing 787-9 Dreamliner". United.com. Retrieved March 8, 2020.
  43. "Boeing 787-10 Dreamliner". United.com. Retrieved February 21, 2019.
  44. AirFleets.net United Airlines
  45. Bohl, Walt: Boeing model 40 and its descendants
  46. United: The Main Line Airway by George Cearley, Jr
  47. Seely, Victor J. (1991-12-01). The Boeing 247: the first modern ... – Google Books. University of Washington Press. ISBN 9780295970943. Retrieved May 3, 2010.
  48. "United retired its last three B737-500s by end of May". ch-aviation. Retrieved 5 June 2013.
  49. "United Airlines retires its last B767-200". ch-aviation. Retrieved 31 May 2013.
  50. "June 1, 1931 United Air Lines system timetable". www.timetableimages.com. Retrieved 2019-09-14.
  51. "united.com - Swallow". October 3, 2002. Archived from the original on October 3, 2002. Retrieved April 10, 2017.{{cite web}}: CS1 maint: bot: original URL status unknown (link)

Bibliography
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