United Airlines Holdings, Inc.
Close on Nov 2, 2026Market cap $35.46BP/E 10.2Yield –
United Airlines Mainline Operating Fleet at End of Period by Quarter
Mainline Operating Fleet at End of Period (Investor Update & 10-K, aircraft)
United Airlines Mainline Operating Fleet at End of Period: 1,143 in Q3 2026, up 8.3% from a year earlier. That is the highest of the 15 quarters on record here.
Where the Q3 2026 figure comes from
Source: SEC 8-K EX-99.2 Investor Update (Q3 2026, 0000100517-26-000184, filed 2026-10-20) ↗
Quarterly history
Hover a value to see the sentence it was read from; calculated values show their formula
Breakdown
What makes up mainline Operating Fleet at End of Period
- Mainline Aircraft Owned at Year-End (10-K, aircraft)–
- Mainline Aircraft Leased at Year-End (10-K, aircraft)–
- Mainline Fleet Average Age at Year-End (10-K, years)–
- Boeing 737 MAX Family Operating Fleet — Quarterly (Investor Update, aircraft)304 · Q3 2026
- Boeing 737 Next Generation (737-700/800/900/900ER) Operating Fleet — Quarterly (Investor Update, aircraft)329 · Q3 2026
- Airbus A321neo Operating Fleet — Quarterly (Investor Update, aircraft)76 · Q3 2026
- Airbus A319/A320 Operating Fleet — Quarterly (Investor Update, aircraft)129 · Q3 2026
- Boeing 757-200/300 Operating Fleet — Quarterly (Investor Update, aircraft)61 · Q3 2026
- Boeing 767-300ER/400ER Operating Fleet — Quarterly (Investor Update, aircraft)53 · Q3 2026
- Boeing 777-200/200ER/300ER Operating Fleet — Quarterly (Investor Update, aircraft)96 · Q3 2026
- Boeing 787-8/9/10 Dreamliner Operating Fleet — Quarterly (Investor Update, aircraft)95 · Q3 2026
- Planned Year-End Total Mainline Operating Fleet (Investor Update Guidance, aircraft)1,166 · Q3 2026
- Boeing 737 MAX 9 — Total Active Aircraft (10-K, aircraft)–
- Boeing 737 MAX 8 — Total Active Aircraft (10-K, aircraft)–
- Boeing 737-900ER — Total Active Aircraft (10-K, aircraft)–
- Boeing 737-900 — Total Active Aircraft (10-K, aircraft)–
- Boeing 737-800 — Total Active Aircraft (10-K, aircraft)–
- Boeing 737-700 — Total Active Aircraft (10-K, aircraft)–
- Airbus A321neo — Total Active Aircraft (10-K, aircraft)–
- Airbus A320-200 — Total Active Aircraft (10-K, aircraft)–
- Airbus A319-100 — Total Active Aircraft (10-K, aircraft)–
- Boeing 757-300 — Total Active Aircraft (10-K, aircraft)–
- Boeing 757-200 — Total Active Aircraft (10-K, aircraft)–
- Boeing 767-400ER — Total Active Aircraft (10-K, aircraft)–
- Boeing 767-300ER — Total Active Aircraft (10-K, aircraft)–
- Boeing 777-300ER — Total Active Aircraft (10-K, aircraft)–
- Boeing 777-200ER — Total Active Aircraft (10-K, aircraft)–
- Boeing 777-200 — Total Active Aircraft (10-K, aircraft)–
- Boeing 787-10 Dreamliner — Total Active Aircraft (10-K, aircraft)–
- Boeing 787-9 Dreamliner — Total Active Aircraft (10-K, aircraft)–
- Boeing 787-8 Dreamliner — Total Active Aircraft (10-K, aircraft)–
Cite this data
StockData. (2026). United Airlines Mainline Operating Fleet at End of Period, quarterly Q1 2022–Q3 2026 [Data set]. Compiled from United Airlines SEC filings and investor materials. https://stockdatahq.com/stocks/ual/kpis/iu-fleet-mainline
See every metric in the United Airlines KPI table. Data updated Nov 3, 2026.