Airlines › United Airlines › May 2024
Carrier month · May 2024
United Airlines in May 2024
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In May 2024, United Airlines (UA) reported 64,156 scheduled domestic flights. 72.4% arrived on time, 1.2% were cancelled and 0.5% diverted.
All reporting carriers together recorded 72.3% on time and 1.4% cancelled that month, so the carrier was level with the combined figure.
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, air carrier 26% and national aviation system 23%.
- On time 72.4%
- Arrived 15+ minutes late 25.9%
- Cancelled 1.2%
- Diverted 0.5%
May 2024 against a year earlier, the carrier's year and all carriers
| Measure | May 2024 | Year earlier | UA, 12 months to Jul 2026 | All carriers, May 2024 |
|---|---|---|---|---|
| Arrived on time | 72.4% | — | 78.2% | 72.3% |
| Departed on time | 74.2% | — | 80.6% | 73.4% |
| Cancelled | 1.2% | — | 1.0% | 1.4% |
| Average arrival delay | 13.6 min | — | 6.3 min | 14.0 min |
| Scheduled flights a day | 2,139 | — | 2,262 | 20,325 |
| Scheduled flights | 64,156 | — | 825,693 | 609,743 |
117 airports and 843 routes had UA flights that month.
Busiest airports that month
| Airport | Departures | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|
| DEN Denver | 8,658 | 72.5% | 12.7 min | 0.7% |
| ORD Chicago | 7,656 | 67.2% | 18.9 min | 1.0% |
| EWR Newark | 6,051 | 70.7% | 11.6 min | 1.1% |
| IAH Houston | 5,656 | 57.2% | 37.0 min | 2.7% |
| SFO San Francisco | 4,042 | 80.6% | 0.8 min | 0.8% |
| IAD Washington | 2,837 | 75.9% | 9.4 min | 0.5% |
| LAX Los Angeles | 2,310 | 81.3% | 0.4 min | 0.7% |
| LAS Las Vegas | 1,214 | 74.0% | 9.9 min | 1.1% |
| MCO Orlando | 1,166 | 73.0% | 14.1 min | 1.4% |
| BOS Boston | 1,094 | 75.5% | 8.0 min | 1.4% |
| SAN San Diego | 890 | 76.7% | 4.8 min | 1.2% |
| PHX Phoenix | 886 | 77.5% | 10.0 min | 0.9% |
| SEA Seattle | 840 | 75.6% | 7.2 min | 1.5% |
| CLE Cleveland | 784 | 82.0% | 2.1 min | 0.5% |
| AUS Austin | 780 | 69.6% | 19.9 min | 2.2% |
By scheduled departure hour
Delay causes
Questions and answers
What share of United Airlines flights were on time in May 2024?
72.4% of 64,156 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 72.3% that month.
How does that compare with a year earlier?
May 2023 is outside the 36 months on file, or the carrier did not report that month.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2024; public domain. Domestic scheduled flights, totals and averages only. The site's data runs through July 2026. Full record for United Airlines · methodology · corrections.