Airports › Buffalo (BUF) › July 2026
Airport month · July 2026
Buffalo Niagara International in July 2026
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 2026, reporting carriers scheduled 1,951 domestic departures from Buffalo Niagara International (BUF). 64.2% left less than 15 minutes late and 67.9% reached their destination on time; 5.4% were cancelled.
Nationally that month, 68.8% of flights departed on time and 69.4% arrived on time, so BUF departures were 4.6 points below the national departure figure.
A year earlier, in July 2025, the airport had 1,963 departures with 68.9% leaving on time: a change of −4.7 points, with flights down 1%.
Flights arriving at BUF that month were on time 60.4% of the time (1,949 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, air carrier 36% and national aviation system 19%.
- On time 67.9%
- Arrived 15+ minutes late 26.5%
- Cancelled 5.4%
- Diverted 0.3%
July 2026 against a year earlier, the airport's year and the nation
| Measure | Jul 2026 | Jul 2025 | BUF, 12 months to Jul 2026 | All reported flights, Jul 2026 |
|---|---|---|---|---|
| Departed on time | 64.2% | 68.9% | 75.6% | 68.8% |
| Arrived on time | 67.9% | 70.3% | 75.5% | 69.4% |
| Cancelled | 5.4% | 4.3% | 2.6% | 2.6% |
| Average departure delay (late minutes only) | 27.8 min | 25.7 min | 18.8 min | 24.1 min |
| Scheduled departures a day | 65 | 65 | 57 | 21,066 |
| Scheduled departures | 1,951 | 1,963 | 20,726 | 631,970 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 404 | 21% | 70.5% | 13.1 min | 1.7% |
| B6 JetBlue Airways | 374 | 19% | 57.2% | 24.8 min | 11.8% |
| YX Republic Airline | 326 | 17% | 76.4% | 8.5 min | 8.0% |
| AA American Airlines | 227 | 12% | 74.9% | 6.5 min | 3.1% |
| OO SkyWest Airlines | 181 | 9% | 70.7% | 11.7 min | 2.8% |
| DL Delta Air Lines | 177 | 9% | 67.8% | 14.9 min | 1.7% |
| UA United Airlines | 94 | 5% | 78.7% | 14.8 min | 0.0% |
| F9 Frontier Airlines | 75 | 4% | 38.7% | 51.1 min | 5.3% |
| OH PSA Airlines | 63 | 3% | 41.3% | 83.9 min | 14.3% |
| MQ Envoy Air | 30 | 2% | 96.7% | -13.1 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| BUF–ORD | Buffalo to Chicago | 217 | 75.6% | 11.1 min | 4.6% |
| BUF–BOS | Buffalo to Boston | 183 | 68.9% | 10.3 min | 7.1% |
| BUF–BWI | Buffalo to Baltimore | 154 | 80.5% | 10.5 min | 2.6% |
| BUF–DTW | Buffalo to Detroit | 150 | 77.3% | 8.0 min | 1.3% |
| BUF–ATL | Buffalo to Atlanta | 147 | 61.9% | 26.2 min | 2.0% |
| BUF–MCO | Buffalo to Orlando | 136 | 67.6% | 13.3 min | 4.4% |
| BUF–JFK | Buffalo to New York | 124 | 46.0% | 44.0 min | 19.4% |
| BUF–CLT | Buffalo to Charlotte | 95 | 75.8% | 5.9 min | 1.1% |
| BUF–LGA | Buffalo to New York | 93 | 68.8% | 29.6 min | 8.6% |
| BUF–MDW | Buffalo to Chicago | 92 | 64.1% | 16.8 min | 2.2% |
| BUF–DCA | Buffalo to Washington | 91 | 58.2% | 50.5 min | 9.9% |
| BUF–EWR | Buffalo to Newark | 72 | 68.1% | -0.1 min | 16.7% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left BUF on time in July 2026?
64.2% of 1,951 scheduled domestic departures left less than 15 minutes late, and 67.9% reached their destination on time. The national figures that month were 68.8% and 69.4%.
How does that compare with a year earlier?
In July 2025, 68.9% of 1,963 departures left on time and 4.3% were cancelled, against 64.2% and 5.4% in July 2026.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2026; 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.