United Airlines Delays
78.7% on-time over the last 12 months · 1987–2026
814,574Flights
78.7%On-time
16.2 minAvg delay
1%Cancelled
Delay causes (last 12 months)
- Air carrier25.6%
- Extreme weather4.9%
- National Aviation System32.8%
- Security0%
- Late-arriving aircraft36.7%
By year
| Year | Flights | On-time | Avg delay | Cancelled |
|---|---|---|---|---|
| 2026 | 337,995 | 81.3% | 13.9 min | 1.2% |
| 2025 | 795,271 | 78.3% | 16.5 min | 0.8% |
| 2024 | 760,451 | 79.9% | 15.3 min | 1.6% |
| 2023 | 732,212 | 79.2% | 15.6 min | 1.4% |
| 2022 | 626,473 | 80.5% | 14.6 min | 1.9% |
| 2021 | 446,837 | 82.5% | 12.2 min | 1.4% |
| 2020 | 308,217 | 90.2% | 6.8 min | 7.3% |
| 2019 | 625,910 | 78.4% | 17.1 min | 0.9% |
| 2018 | 621,565 | 80.3% | 14.4 min | 0.8% |
| 2017 | 584,481 | 82.9% | 12.5 min | 1% |
| 2016 | 545,067 | 82.5% | 12.6 min | 1% |
| 2015 | 515,723 | 79.2% | 14.3 min | 1.3% |
| 2014 | 493,528 | 77.1% | 14.5 min | 1.5% |
| 2013 | 505,798 | 80% | 12.7 min | 1% |
| 2012 | 531,245 | 78.5% | 13.5 min | 1.4% |
| 2011 | 311,212 | 81.4% | 11.9 min | 1.6% |
| 2010 | 343,081 | 86.4% | 8.6 min | 1.5% |
| 2009 | 377,049 | 82.4% | 11.4 min | 1.7% |
| 2008 | 449,515 | 73.3% | 17.7 min | 2.3% |
| 2007 | 490,002 | 72.1% | 18.2 min | 2.4% |
| 2006 | 500,008 | 75.4% | 16.1 min | 2% |
| 2005 | 485,918 | 78.7% | 13.6 min | 1.3% |
| 2004 | 555,812 | 80.7% | 12.2 min | 1.2% |
| 2003 | 543,957 | 84.3% | 9.7 min | 1.1% |
| 2002 | 587,887 | 84.7% | 9.1 min | 0.8% |
| 2001 | 704,977 | 77.3% | 14 min | 4.9% |
| 2000 | 776,559 | 65.1% | 21.7 min | 5.7% |
| 1999 | 774,370 | 77.2% | 14 min | 3.5% |
| 1998 | 748,459 | 75.9% | 14.6 min | 2.8% |
| 1997 | 743,847 | 77.9% | 12.1 min | 2.3% |
| 1996 | 735,266 | 75.9% | 13.8 min | 2.7% |
| 1995 | 724,807 | 79.2% | 11.2 min | 1.8% |
| 1994 | 638,750 | 82.7% | 9.1 min | 1.3% |
| 1993 | 649,086 | 79.3% | 10.6 min | 1.1% |
| 1992 | 639,349 | 82.4% | 9 min | 1.3% |
| 1991 | 630,093 | 79.4% | 10.6 min | 1.4% |
| 1990 | 606,713 | 78.4% | 11.1 min | 1.3% |
| 1989 | 574,674 | 71.4% | 14.3 min | 1.6% |
| 1988 | 587,144 | 78.5% | 10.9 min | 1% |
| 1987 | 152,624 | 76.1% | 11.9 min | 2.3% |
Worst-performing routes
- Grand Rapids ↔ Chicago65.7% on-time
- Chicago ↔ Rochester65.9% on-time
- New York ↔ Chicago67.3% on-time
- Columbus ↔ Chicago67.9% on-time
- Indianapolis ↔ Chicago68.3% on-time
- Detroit ↔ Chicago69.4% on-time
- Minneapolis ↔ Chicago69.6% on-time
- Madison ↔ Chicago70.2% on-time
- Chicago ↔ Norfolk70.3% on-time
- Burlington ↔ Chicago70.3% on-time
On-time = arrival within 15 minutes of schedule, per U.S. DOT definitions. Source: Bureau of Transportation Statistics (public domain). Delay-cause attribution is reported by carriers since June 2003.