Airports › Buffalo (BUF) › April 2025
Airport month · April 2025
Buffalo Niagara International in April 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 April 2025, reporting carriers scheduled 1,722 domestic departures from Buffalo Niagara International (BUF). 85.5% left less than 15 minutes late and 86.2% reached their destination on time; 0.8% were cancelled.
Nationally that month, 80.6% of flights departed on time and 79.5% arrived on time, so BUF departures were 4.9 points above the national departure figure.
A year earlier, in April 2024, the airport had 1,786 departures with 84.7% leaving on time: a change of +0.8 points, with flights down 4%.
Flights arriving at BUF that month were on time 78.0% of the time (1,720 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, air carrier 32% and national aviation system 19%.
- On time 86.2%
- Arrived 15+ minutes late 13.0%
- Cancelled 0.8%
- Diverted 0.1%
April 2025 against a year earlier, the airport's year and the nation
| Measure | Apr 2025 | Apr 2024 | BUF, 12 months to Jul 2026 | All reported flights, Apr 2025 |
|---|---|---|---|---|
| Departed on time | 85.5% | 84.7% | 75.6% | 80.6% |
| Arrived on time | 86.2% | 84.4% | 75.5% | 79.5% |
| Cancelled | 0.8% | 0.7% | 2.6% | 0.8% |
| Average departure delay (late minutes only) | 10.5 min | 11.8 min | 18.8 min | 14.1 min |
| Scheduled departures a day | 57 | 60 | 57 | 19,465 |
| Scheduled departures | 1,722 | 1,786 | 20,726 | 583,950 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 530 | 31% | 86.4% | 0.1 min | 0.4% |
| B6 JetBlue Airways | 279 | 16% | 90.3% | -10.1 min | 0.7% |
| YX Republic Airline | 195 | 11% | 94.4% | -0.4 min | 0.0% |
| DL Delta Air Lines | 146 | 8% | 85.6% | 0.6 min | 0.7% |
| AA American Airlines | 120 | 7% | 84.2% | 13.9 min | 1.7% |
| F9 Frontier Airlines | 108 | 6% | 87.0% | -7.4 min | 1.9% |
| MQ Envoy Air | 104 | 6% | 78.8% | 5.7 min | 1.0% |
| UA United Airlines | 89 | 5% | 83.1% | -1.9 min | 2.2% |
| OH PSA Airlines | 83 | 5% | 77.1% | 9.4 min | 1.2% |
| OO SkyWest Airlines | 68 | 4% | 73.5% | 21.5 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| BUF–MCO | Buffalo to Orlando | 207 | 93.7% | -9.9 min | 0.5% |
| BUF–ORD | Buffalo to Chicago | 203 | 81.8% | 3.4 min | 1.5% |
| BUF–BWI | Buffalo to Baltimore | 141 | 88.7% | -2.5 min | 0.7% |
| BUF–LGA | Buffalo to New York | 134 | 94.8% | 1.0 min | 0.0% |
| BUF–DCA | Buffalo to Washington | 113 | 78.8% | 6.5 min | 0.9% |
| BUF–DTW | Buffalo to Detroit | 112 | 82.1% | 9.8 min | 0.0% |
| BUF–ATL | Buffalo to Atlanta | 102 | 83.3% | 3.1 min | 1.0% |
| BUF–TPA | Buffalo to Tampa | 100 | 86.0% | 0.0 min | 1.0% |
| BUF–JFK | Buffalo to New York | 93 | 82.8% | -3.9 min | 1.1% |
| BUF–CLT | Buffalo to Charlotte | 90 | 86.7% | 14.7 min | 1.1% |
| BUF–BOS | Buffalo to Boston | 86 | 90.7% | -8.8 min | 1.2% |
| BUF–MDW | Buffalo to Chicago | 50 | 92.0% | 0.0 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left BUF on time in April 2025?
85.5% of 1,722 scheduled domestic departures left less than 15 minutes late, and 86.2% reached their destination on time. The national figures that month were 80.6% and 79.5%.
How does that compare with a year earlier?
In April 2024, 84.7% of 1,786 departures left on time and 0.7% were cancelled, against 85.5% and 0.8% in April 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 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.