17 unchanged sentences
737-700 40 38 2 126 24.8
+Added: A321neo 4 4 — 200 0.1
A320-200 91 81 10 150 24.9
1 unchanged sentence
Total mainline 945 812 133 16.0
−Removed: In addition to the aircraft presented in the table above, United is leasing one Boeing 767-200 that is being subleased to a third party as of December 31, 2022.
Aircraft Type Total Owned Owned or Leased by Regional Carrier Regional Carrier Operator and Number of Aircraft Seats in Standard Configuration
1 unchanged sentence
Embraer 170 21 — 21 Republic:
+Added: CRJ900 26 — 26 Mesa:
CRJ700 19 — 19 SkyWest:
1 unchanged sentence
CRJ200 70 — 70 SkyWest:
−Removed: Air Wisconsin:
Embraer ERJ 145XR 53 53 — CommuteAir:
1 unchanged sentence
In addition to the aircraft presented in the table above, United owned or leased the following regional aircraft as of December 31, 2023:
−Removed: • 23 CRJ550s,18 Embraer E175LLs and 38 Embraer ERJ 145s that were temporarily grounded;
+Added: • 24 CRJ550s, 26 E175/E175LLs and 45 Embraer ERJ 145s that were temporarily grounded;
• 8 CRJ700s awaiting conversion to CRJ550s.
1 unchanged sentence
As of December 31, 2023, United had firm commitments to purchase aircraft from Boeing and Airbus presented in the table below:
−Removed: Scheduled Aircraft Deliveries
+Added: Contractual Aircraft Deliveries Expected Aircraft Deliveries (b)
Aircraft Type Number of Firm
−Removed: Commitments (a) 2023 2024 After 2024
+Added: Commitments (a) 2024 2025 After 2025 2024 2025 After 2025
787 150 8 18 124 7 18 125
737 MAX 8 43 43 — — 37 6 —
+Added: 737 MAX 9 34 34 — — 19 15 —
+Added: 737 MAX 10 277 80 71 126 — (c) (c)
A321neo 126 26 38 62 25 24 77
2 unchanged sentences
(a) United also has options and purchase rights for additional aircraft.
+Added: (b) Expected aircraft deliveries reflect adjustments communicated by Boeing and Airbus or estimated by United.
+Added: (c) Due to the delay in the certification of the 737 MAX 10 aircraft, we are unable to accurately forecast the expected delivery period.
The aircraft listed in the table above are scheduled for delivery through 2033.
1 unchanged sentence
(i) the Company and the aircraft manufacturers, with whom the Company has existing orders for new aircraft, agree to modify the contracts governing those orders;
−Removed: (ii) rights are exercised pursuant to the relevant agreements to modify the timing of deliveries;
+Added: (ii) rights are exercised pursuant to the relevant agreements to cancel deliveries or modify the timing of deliveries;
or (iii) the aircraft manufacturers are unable to deliver in accordance with the terms of those orders.
−Removed: Airbus notified United that eight Airbus A321neo aircraft scheduled for delivery in 2023, as shown in the table above, are now expected to deliver in 2024, and Boeing notified United that 37 Boeing 737 MAX aircraft scheduled for delivery in 2023, as shown in the table above, are now expected to deliver in 2024.
−Removed: Also, United estimates that an additional six Boeing 737 MAX aircraft scheduled for delivery in 2023, as shown in the table above, will deliver in 2024.
See Note 12 to the financial statements included in Part II, Item 8 of this report for additional information.
4 unchanged sentences
In addition, United has multiple leases, which expire from 2029 through 2033, for its principal executive office and operations center in downtown Chicago and administrative offices in downtown Houston.
−Removed: In 2022, United expanded its club footprint with new United Clubs in EWR, ORD and Phoenix Sky Harbor International Airport, as well as a new Polaris Club at IAD and announced a planned club expansion at DEN.
−Removed: United also added new operational support facilities with a new Inflight Training Center at IAH and new widebody hangar in LAX.
−Removed: Additionally, in January 2023, United opened new gates in DEN and ORD as well as EWR's New Terminal A.
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.