Buffalo to Boston — airline reliability comparison
Delta Air Lines is the most reliable airline on the BUF to BOS route with a 89% on-time rate, compared to at 69%. Based on 194 flights tracked.
This route involves weather-prone airports, which can affect reliability regardless of airline.
Source: Bureau of Transportation Statistics. Updated October 2026.| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Delta Air LinesDLBest | 89% | 5.1% | 79m | 194 |
| Republic AirwaysYX | 85% | 2.4% | 77m | 305 |
| JetBlue AirwaysB6 | 78% | 2.2% | 76m | 3,242 |
| MQWorst | 69% | 0.0% | 68m | 60 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.