Airports › Buffalo (BUF) › July 2025
Airport month · July 2025
Buffalo Niagara International in July 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 July 2025, reporting carriers scheduled 1,963 domestic departures from Buffalo Niagara International (BUF). 68.9% left less than 15 minutes late and 70.3% reached their destination on time; 4.3% were cancelled.
Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so BUF departures were 0.8 points below the national departure figure.
A year earlier, in July 2024, the airport had 2,025 departures with 71.7% leaving on time: a change of −2.8 points, with flights down 3%.
Flights arriving at BUF that month were on time 61.6% of the time (1,963 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, air carrier 32% and national aviation system 26%.
- On time 70.3%
- Arrived 15+ minutes late 25.0%
- Cancelled 4.3%
- Diverted 0.4%
July 2025 against a year earlier, the airport's year and the nation
| Measure | Jul 2025 | Jul 2024 | BUF, 12 months to Jul 2026 | All reported flights, Jul 2025 |
|---|---|---|---|---|
| Departed on time | 68.9% | 71.7% | 75.6% | 69.7% |
| Arrived on time | 70.3% | 70.4% | 75.5% | 69.0% |
| Cancelled | 4.3% | 3.0% | 2.6% | 2.5% |
| Average departure delay (late minutes only) | 25.7 min | 23.2 min | 18.8 min | 24.3 min |
| Scheduled departures a day | 65 | 68 | 57 | 21,048 |
| Scheduled departures | 1,963 | 2,025 | 20,726 | 631,428 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 464 | 24% | 75.6% | 11.5 min | 1.7% |
| B6 JetBlue Airways | 374 | 19% | 66.0% | 21.9 min | 4.5% |
| YX Republic Airline | 257 | 13% | 70.8% | 12.3 min | 10.5% |
| AA American Airlines | 241 | 12% | 71.8% | 22.6 min | 2.9% |
| DL Delta Air Lines | 178 | 9% | 81.5% | 5.1 min | 0.0% |
| OH PSA Airlines | 156 | 8% | 50.6% | 44.1 min | 10.9% |
| UA United Airlines | 144 | 7% | 72.2% | 17.7 min | 2.1% |
| F9 Frontier Airlines | 86 | 4% | 66.3% | 12.7 min | 4.7% |
| MQ Envoy Air | 47 | 2% | 68.1% | 11.2 min | 2.1% |
| OO SkyWest Airlines | 16 | 1% | 62.5% | 33.4 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| BUF–ORD | Buffalo to Chicago | 214 | 71.0% | 21.5 min | 1.4% |
| BUF–LGA | Buffalo to New York | 170 | 65.3% | 16.4 min | 14.1% |
| BUF–BWI | Buffalo to Baltimore | 145 | 73.1% | 20.3 min | 4.8% |
| BUF–ATL | Buffalo to Atlanta | 134 | 76.9% | 4.4 min | 1.5% |
| BUF–JFK | Buffalo to New York | 124 | 70.2% | 11.2 min | 12.9% |
| BUF–BOS | Buffalo to Boston | 123 | 61.8% | 22.5 min | 0.8% |
| BUF–CLT | Buffalo to Charlotte | 122 | 73.0% | 20.2 min | 4.1% |
| BUF–DCA | Buffalo to Washington | 119 | 48.7% | 40.4 min | 15.1% |
| BUF–MCO | Buffalo to Orlando | 117 | 75.2% | 6.7 min | 0.0% |
| BUF–MDW | Buffalo to Chicago | 97 | 75.3% | 8.7 min | 1.0% |
| BUF–DEN | Buffalo to Denver | 83 | 81.9% | 3.1 min | 0.0% |
| BUF–DFW | Buffalo to Dallas/Fort Worth | 61 | 57.4% | 30.3 min | 1.6% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left BUF on time in July 2025?
68.9% of 1,963 scheduled domestic departures left less than 15 minutes late, and 70.3% reached their destination on time. The national figures that month were 69.7% and 69.0%.
How does that compare with a year earlier?
In July 2024, 71.7% of 2,025 departures left on time and 3.0% were cancelled, against 68.9% and 4.3% in July 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for BUF · methodology · corrections.