Airports › Birmingham (BHM) › May 2025
Airport month · May 2025
Birmingham-Shuttlesworth International in May 2025
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 2025, reporting carriers scheduled 1,495 domestic departures from Birmingham-Shuttlesworth International (BHM). 74.4% left less than 15 minutes late and 74.0% reached their destination on time; 2.5% were cancelled.
Nationally that month, 76.7% of flights departed on time and 75.4% arrived on time, so BHM departures were 2.3 points below the national departure figure.
A year earlier, in May 2024, the airport had 1,512 departures with 71.5% leaving on time: a change of +2.9 points, with flights down 1%.
Flights arriving at BHM that month were on time 72.3% of the time (1,496 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 37%, air carrier 27% and national aviation system 23%.
- On time 74.0%
- Arrived 15+ minutes late 23.0%
- Cancelled 2.5%
- Diverted 0.5%
May 2025 against a year earlier, the airport's year and the nation
| Measure | May 2025 | May 2024 | BHM, 12 months to Jul 2026 | All reported flights, May 2025 |
|---|---|---|---|---|
| Departed on time | 74.4% | 71.5% | 79.8% | 76.7% |
| Arrived on time | 74.0% | 70.4% | 80.3% | 75.4% |
| Cancelled | 2.5% | 1.6% | 1.6% | 1.0% |
| Average departure delay (late minutes only) | 18.7 min | 27.0 min | 16.3 min | 17.5 min |
| Scheduled departures a day | 50 | 50 | 46 | 20,188 |
| Scheduled departures | 1,495 | 1,512 | 16,924 | 605,648 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 436 | 29% | 80.0% | 5.3 min | 0.7% |
| OH PSA Airlines | 384 | 26% | 65.6% | 16.3 min | 6.3% |
| DL Delta Air Lines | 260 | 17% | 86.2% | 3.3 min | 0.0% |
| MQ Envoy Air | 202 | 14% | 71.8% | 15.1 min | 2.5% |
| OO SkyWest Airlines | 174 | 12% | 64.4% | 23.4 min | 2.3% |
| AA American Airlines | 20 | 1% | 55.0% | 41.0 min | 5.0% |
| NK Spirit Airlines | 19 | 1% | 73.7% | 9.9 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| BHM–ATL | Birmingham to Atlanta | 260 | 86.2% | 3.3 min | 0.0% |
| BHM–DFW | Birmingham to Dallas/Fort Worth | 212 | 63.2% | 25.4 min | 6.1% |
| BHM–CLT | Birmingham to Charlotte | 181 | 69.1% | 15.1 min | 5.0% |
| BHM–DEN | Birmingham to Denver | 93 | 75.3% | 8.8 min | 0.0% |
| BHM–MIA | Birmingham to Miami | 89 | 68.5% | 19.6 min | 1.1% |
| BHM–DCA | Birmingham to Washington | 88 | 61.4% | 9.8 min | 6.8% |
| BHM–DAL | Birmingham to Dallas | 83 | 78.3% | 3.3 min | 2.4% |
| BHM–MCO | Birmingham to Orlando | 71 | 70.4% | 18.9 min | 0.0% |
| BHM–ORD | Birmingham to Chicago | 61 | 72.1% | 11.1 min | 0.0% |
| BHM–PHL | Birmingham to Philadelphia | 58 | 67.2% | 6.7 min | 8.6% |
| BHM–MDW | Birmingham to Chicago | 56 | 82.1% | 6.3 min | 0.0% |
| BHM–HOU | Birmingham to Houston | 42 | 85.7% | 0.5 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left BHM on time in May 2025?
74.4% of 1,495 scheduled domestic departures left less than 15 minutes late, and 74.0% reached their destination on time. The national figures that month were 76.7% and 75.4%.
How does that compare with a year earlier?
In May 2024, 71.5% of 1,512 departures left on time and 1.6% were cancelled, against 74.4% and 2.5% in May 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for BHM · methodology · corrections.