Which departure time was most reliable for BOS to BUF?
Among qualifying BOS-to-BUF departure window results, Early morning had the highest on-time rate: 83.7% of 202 flights. Evening was lowest at 61.3% across 401 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 202 | 83.7% | 9.4% | 2.0% |
| Late morning | 286 | 82.9% | 11.5% | 0.0% |
| Afternoon | 317 | 77.3% | 14.5% | 2.5% |
| Evening | 401 | 61.3% | 29.2% | 3.0% |
Which weekday was most reliable for BOS to BUF?
Among qualifying BOS-to-BUF weekday results, Saturday had the highest on-time rate: 82.3% of 141 flights. Thursday was lowest at 67.0% across 188 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 191 | 74.3% | 14.1% | 5.8% |
| Tuesday | 172 | 78.5% | 12.8% | 2.3% |
| Wednesday | 165 | 79.4% | 14.5% | 1.2% |
| Thursday | 188 | 67.0% | 26.1% | 1.1% |
| Friday | 182 | 69.8% | 22.0% | 1.1% |
| Saturday | 141 | 82.3% | 11.3% | 0.0% |
| Sunday | 196 | 69.4% | 23.0% | 3.1% |
Which airline was most reliable for BOS to BUF?
Among qualifying BOS-to-BUF airline results, Republic Airways had the highest on-time rate: 82.8% of 221 flights. JetBlue Airways was lowest at 71.3% across 947 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| JetBlue Airways | 947 | 71.3% | 19.7% | 2.5% |
| Republic Airways | 221 | 82.8% | 12.2% | 1.4% |
| Envoy Air | 67 | 82.1% | 13.4% | 0.0% |
Which month was most reliable for BOS to BUF?
Among qualifying BOS-to-BUF month results, May 2026 had the highest on-time rate: 85.6% of 167 flights. December 2025 was lowest at 48.6% across 72 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 123 | 69.1% | 26.0% | 0.8% |
| August 2025 | 124 | 85.5% | 10.5% | 0.8% |
| September 2025 | 87 | 70.1% | 19.5% | 1.1% |
| October 2025 | 106 | 75.5% | 17.9% | 1.9% |
| November 2025 | 84 | 78.6% | 14.3% | 0.0% |
| December 2025 | 72 | 48.6% | 27.8% | 8.3% |
| January 2026 | 50 | 52.0% | 26.0% | 10.0% |
| February 2026 | 38 | 63.2% | 26.3% | 7.9% |
| March 2026 | 110 | 68.2% | 25.5% | 0.9% |
| April 2026 | 105 | 78.1% | 17.1% | 0.0% |
| May 2026 | 167 | 85.6% | 8.4% | 1.2% |
| June 2026 | 169 | 76.9% | 16.0% | 3.0% |
What drove BOS to BUF delay minutes?
Late aircraft was the largest recorded BOS-to-BUF delay category, accounting for 63.9% of 20,948 BTS-attributed delay minutes during July 2025–June 2026.
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