Airports › Buffalo (BUF) › December 2025
Airport month · December 2025
Buffalo Niagara International in December 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 December 2025, reporting carriers scheduled 1,649 domestic departures from Buffalo Niagara International (BUF). 66.2% left less than 15 minutes late and 61.6% reached their destination on time; 5.5% were cancelled.
Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so BUF departures were 5.8 points below the national departure figure.
A year earlier, in December 2024, the airport had 1,735 departures with 75.7% leaving on time: a change of −9.5 points, with flights down 5%.
Flights arriving at BUF that month were on time 60.6% of the time (1,645 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 36%, air carrier 34% and national aviation system 23%.
- On time 61.6%
- Arrived 15+ minutes late 32.8%
- Cancelled 5.5%
- Diverted 0.2%
December 2025 against a year earlier, the airport's year and the nation
| Measure | Dec 2025 | Dec 2024 | BUF, 12 months to Jul 2026 | All reported flights, Dec 2025 |
|---|---|---|---|---|
| Departed on time | 66.2% | 75.7% | 75.6% | 72.0% |
| Arrived on time | 61.6% | 72.4% | 75.5% | 71.9% |
| Cancelled | 5.5% | 0.6% | 2.6% | 1.5% |
| Average departure delay (late minutes only) | 25.9 min | 19.7 min | 18.8 min | 21.2 min |
| Scheduled departures a day | 55 | 58 | 57 | 19,410 |
| Scheduled departures | 1,649 | 1,735 | 20,726 | 582,304 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 493 | 30% | 68.0% | 11.4 min | 3.2% |
| B6 JetBlue Airways | 290 | 18% | 51.4% | 24.3 min | 7.9% |
| YX Republic Airline | 259 | 16% | 64.1% | 15.9 min | 7.3% |
| AA American Airlines | 164 | 10% | 66.5% | 23.1 min | 2.4% |
| DL Delta Air Lines | 121 | 7% | 67.8% | 21.5 min | 4.1% |
| OO SkyWest Airlines | 117 | 7% | 56.4% | 63.9 min | 5.1% |
| MQ Envoy Air | 76 | 5% | 60.5% | 15.8 min | 9.2% |
| F9 Frontier Airlines | 65 | 4% | 50.8% | 30.1 min | 7.7% |
| OH PSA Airlines | 46 | 3% | 34.8% | 65.9 min | 10.9% |
| UA United Airlines | 18 | 1% | 72.2% | 17.9 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| BUF–MCO | Buffalo to Orlando | 175 | 58.3% | 23.3 min | 3.4% |
| BUF–ORD | Buffalo to Chicago | 166 | 61.4% | 35.8 min | 4.8% |
| BUF–BWI | Buffalo to Baltimore | 152 | 80.9% | -1.9 min | 3.9% |
| BUF–LGA | Buffalo to New York | 132 | 59.1% | 17.9 min | 8.3% |
| BUF–ATL | Buffalo to Atlanta | 107 | 68.2% | 11.0 min | 6.5% |
| BUF–JFK | Buffalo to New York | 103 | 52.4% | 25.9 min | 8.7% |
| BUF–DTW | Buffalo to Detroit | 98 | 57.1% | 60.5 min | 4.1% |
| BUF–CLT | Buffalo to Charlotte | 90 | 70.0% | 22.7 min | 2.2% |
| BUF–DCA | Buffalo to Washington | 90 | 48.9% | 35.8 min | 7.8% |
| BUF–BOS | Buffalo to Boston | 72 | 54.2% | 21.3 min | 8.3% |
| BUF–MDW | Buffalo to Chicago | 60 | 70.0% | 8.9 min | 1.7% |
| BUF–EWR | Buffalo to Newark | 56 | 82.1% | 4.6 min | 5.4% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left BUF on time in December 2025?
66.2% of 1,649 scheduled domestic departures left less than 15 minutes late, and 61.6% reached their destination on time. The national figures that month were 72.0% and 71.9%.
How does that compare with a year earlier?
In December 2024, 75.7% of 1,735 departures left on time and 0.6% were cancelled, against 66.2% and 5.5% in December 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 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.