BUF · Buffalo Niagara International Airport
Buffalo, NY. All airports.
Share of flights 15+ min late, by month
departures
arrivals
usual for the month (departures)
Jan 2015 → Jul 2026; gridlines 10/20/30/40%
Recent months — departures
| Month | Flights | Late 15+ | vs usual | Cancelled | Avg min | Main cause |
|---|---|---|---|---|---|---|
| Jul 2026 | 1,951 | 32.2% | +6.1 | 5.4% | 28 | Late aircraft |
| Jun 2026 | 1,865 | 23.2% | -1.1 | 2.8% | 18 | Late aircraft |
| May 2026 | 1,936 | 18.4% | +0.7 | 0.7% | 13 | Late aircraft |
| Apr 2026 | 1,699 | 18.5% | +3.8 | 0.9% | 12 | Late aircraft |
| Mar 2026 | 1,704 | 25.2% | +8.2 | 3.1% | 21 | Late aircraft |
| Feb 2026 | 1,388 | 22.7% | +5.7 | 3.3% | 24 | Late aircraft |
| Jan 2026 | 1,354 | 22.3% | +3.3 | 6.4% | 22 | Late aircraft |
| Dec 2025 | 1,649 | 30.0% | +11.5 | 5.5% | 26 | Late aircraft |
| Nov 2025 | 1,742 | 20.9% | +7.6 | 2.5% | 18 | Late aircraft |
| Oct 2025 | 1,870 | 18.9% | +4.1 | 0.6% | 14 | Late aircraft |
| Sep 2025 | 1,682 | 14.5% | +2.8 | 0.5% | 13 | Airline |
| Aug 2025 | 1,886 | 22.2% | +0.3 | 1.0% | 20 | Late aircraft |
| Jul 2025 | 1,963 | 28.0% | +5.1 | 4.3% | 26 | Late aircraft |
| Jun 2025 | 1,771 | 24.8% | +2.9 | 3.0% | 22 | Late aircraft |
| May 2025 | 1,899 | 17.7% | +0.8 | 0.6% | 13 | Late aircraft |
| Apr 2025 | 1,722 | 13.8% | -2.9 | 0.8% | 10 | Late aircraft |
| Mar 2025 | 1,688 | 17.9% | +0.9 | 1.2% | 14 | Late aircraft |
| Feb 2025 | 1,389 | 21.3% | +4.4 | 2.8% | 19 | Late aircraft |
| Jan 2025 | 1,396 | 18.7% | -0.2 | 2.8% | 15 | Late aircraft |
| Dec 2024 | 1,735 | 23.9% | +6.5 | 0.6% | 20 | Late aircraft |
| Nov 2024 | 1,758 | 11.6% | -2.9 | 0.1% | 8 | Airline |
| Oct 2024 | 2,032 | 11.7% | -3.1 | 1.0% | 7 | Late aircraft |
| Sep 2024 | 1,980 | 11.7% | -0.4 | 0.3% | 8 | Late aircraft |
| Aug 2024 | 2,067 | 24.3% | +3.1 | 3.8% | 19 | Late aircraft |
Airlines here, Oct 2024 (departures)
| Airline | Flights | Late | Canc. |
|---|---|---|---|
| Envoy | 45 | 4.4% | 0.0% |
| Republic | 183 | 5.5% | 0.0% |
| Endeavor | 208 | 7.2% | 0.0% |
| American | 233 | 9.4% | 0.0% |
| United | 120 | 12.5% | 0.0% |
| Delta | 204 | 12.7% | 0.0% |
| Southwest | 445 | 12.9% | 2.2% |
| JetBlue | 325 | 14.3% | 1.2% |
| PSA | 103 | 14.6% | 0.0% |
| SkyWest | 75 | 14.7% | 0.0% |
| Frontier | 91 | 20.0% | 6.6% |
Airlines with 30+ departures that month.
Worst days on record
| Date | Flights | Late | Canc. |
|---|---|---|---|
| 2022-12-26 | 51 | — | 100% |
| 2024-01-14 | 55 | 100% | 95% |
| 2024-01-17 | 51 | 100% | 92% |
| 2019-01-30 | 64 | 50% | 97% |
| 2022-11-19 | 55 | 92% | 78% |
| 2022-11-18 | 60 | 57% | 88% |
| 2022-01-17 | 51 | 69% | 75% |
| 2019-01-31 | 65 | 82% | 49% |
| 2022-11-20 | 60 | 85% | 23% |
| 2023-02-23 | 54 | 78% | 31% |
| 2024-01-13 | 54 | 40% | 72% |
| 2024-01-15 | 54 | 71% | 43% |
Departures; ranked by share late or cancelled.
FAA programs, last 90 days
None recorded.