Airports › Buffalo (BUF) › May 2024
Airport month · May 2024
Buffalo Niagara International 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, reporting carriers scheduled 1,878 domestic departures from Buffalo Niagara International (BUF). 79.8% left less than 15 minutes late and 79.1% reached their destination on time; 1.0% were cancelled.
Nationally that month, 73.4% of flights departed on time and 72.3% arrived on time, so BUF departures were 6.4 points above the national departure figure.
Flights arriving at BUF that month were on time 73.3% of the time (1,879 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, air carrier 37% and national aviation system 21%.
- On time 79.1%
- Arrived 15+ minutes late 19.5%
- Cancelled 1.0%
- Diverted 0.4%
May 2024 against a year earlier, the airport's year and the nation
| Measure | May 2024 | Year earlier | BUF, 12 months to Jul 2026 | All reported flights, May 2024 |
|---|---|---|---|---|
| Departed on time | 79.8% | — | 75.6% | 73.4% |
| Arrived on time | 79.1% | — | 75.5% | 72.3% |
| Cancelled | 1.0% | — | 2.6% | 1.4% |
| Average departure delay (late minutes only) | 16.7 min | — | 18.8 min | 20.8 min |
| Scheduled departures a day | 63 | — | 57 | 20,325 |
| Scheduled departures | 1,878 | — | 20,726 | 609,743 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 496 | 26% | 76.4% | 8.3 min | 0.0% |
| B6 JetBlue Airways | 305 | 16% | 81.3% | 5.5 min | 0.0% |
| YX Republic Airline | 268 | 14% | 86.2% | -2.2 min | 1.5% |
| 9E Endeavor Air | 189 | 10% | 85.7% | -2.8 min | 1.6% |
| DL Delta Air Lines | 183 | 10% | 85.2% | -0.5 min | 0.0% |
| AA American Airlines | 122 | 6% | 67.2% | 32.2 min | 2.5% |
| F9 Frontier Airlines | 94 | 5% | 62.8% | 33.8 min | 5.3% |
| MQ Envoy Air | 93 | 5% | 74.2% | 12.1 min | 2.2% |
| UA United Airlines | 91 | 5% | 80.2% | 5.8 min | 1.1% |
| OO SkyWest Airlines | 37 | 2% | 73.0% | 16.1 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| BUF–JFK | Buffalo to New York | 247 | 82.2% | 6.8 min | 0.8% |
| BUF–ORD | Buffalo to Chicago | 172 | 76.2% | 11.8 min | 1.2% |
| BUF–LGA | Buffalo to New York | 170 | 82.9% | -0.9 min | 1.8% |
| BUF–BWI | Buffalo to Baltimore | 147 | 86.4% | -1.3 min | 0.0% |
| BUF–MCO | Buffalo to Orlando | 143 | 76.9% | 20.2 min | 0.7% |
| BUF–DTW | Buffalo to Detroit | 119 | 89.1% | -2.2 min | 0.0% |
| BUF–ATL | Buffalo to Atlanta | 110 | 74.5% | 7.8 min | 1.8% |
| BUF–CLT | Buffalo to Charlotte | 99 | 63.6% | 39.9 min | 0.0% |
| BUF–BOS | Buffalo to Boston | 89 | 85.4% | -4.3 min | 0.0% |
| BUF–DCA | Buffalo to Washington | 89 | 87.6% | -2.0 min | 1.1% |
| BUF–TPA | Buffalo to Tampa | 85 | 70.6% | 16.7 min | 1.2% |
| BUF–MDW | Buffalo to Chicago | 77 | 74.0% | 9.1 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left BUF on time in May 2024?
79.8% of 1,878 scheduled domestic departures left less than 15 minutes late, and 79.1% reached their destination on time. The national figures that month were 73.4% and 72.3%.
How does that compare with a year earlier?
May 2023 is outside the 36 months on file, or the airport had too few reported flights that month.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2024; 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.