Which departure time was most reliable for BUF to BOS?
Among qualifying BUF-to-BOS departure window results, Early morning had the highest on-time rate: 83.6% of 373 flights. Evening was lowest at 56.7% across 224 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 373 | 83.6% | 9.9% | 2.4% |
| Late morning | 339 | 78.8% | 12.1% | 1.8% |
| Afternoon | 282 | 69.1% | 23.0% | 1.8% |
| Evening | 224 | 56.7% | 35.3% | 1.8% |
Which weekday was most reliable for BUF to BOS?
Among qualifying BUF-to-BOS weekday results, Saturday had the highest on-time rate: 80.0% of 140 flights. Thursday was lowest at 69.7% across 185 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 191 | 73.8% | 17.3% | 3.7% |
| Tuesday | 180 | 76.1% | 17.2% | 2.2% |
| Wednesday | 163 | 77.3% | 14.7% | 1.8% |
| Thursday | 185 | 69.7% | 21.6% | 1.1% |
| Friday | 191 | 70.2% | 21.5% | 1.6% |
| Saturday | 140 | 80.0% | 15.0% | 0.0% |
| Sunday | 185 | 70.8% | 20.0% | 3.8% |
Which airline was most reliable for BUF to BOS?
Among qualifying BUF-to-BOS airline results, Republic Airways had the highest on-time rate: 84.2% of 221 flights. JetBlue Airways was lowest at 71.2% across 948 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| JetBlue Airways | 948 | 71.2% | 19.9% | 2.4% |
| Republic Airways | 221 | 84.2% | 10.9% | 1.4% |
| Envoy Air | 66 | 74.2% | 21.2% | 0.0% |
Which month was most reliable for BUF to BOS?
Among qualifying BUF-to-BOS month results, May 2026 had the highest on-time rate: 88.6% of 167 flights. January 2026 was lowest at 51.0% across 51 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 123 | 61.8% | 27.6% | 0.8% |
| August 2025 | 124 | 83.1% | 12.1% | 0.8% |
| September 2025 | 88 | 70.5% | 23.9% | 1.1% |
| October 2025 | 105 | 66.7% | 22.9% | 1.9% |
| November 2025 | 85 | 78.8% | 18.8% | 0.0% |
| December 2025 | 72 | 54.2% | 23.6% | 8.3% |
| January 2026 | 51 | 51.0% | 33.3% | 7.8% |
| February 2026 | 38 | 63.2% | 15.8% | 7.9% |
| March 2026 | 109 | 76.1% | 21.1% | 0.0% |
| April 2026 | 104 | 76.0% | 16.3% | 0.0% |
| May 2026 | 167 | 88.6% | 7.8% | 1.2% |
| June 2026 | 169 | 78.7% | 14.2% | 3.6% |
What drove BUF to BOS delay minutes?
Late aircraft was the largest recorded BUF-to-BOS delay category, accounting for 47.8% of 21,885 BTS-attributed delay minutes during July 2025–June 2026.
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