New York to Buffalo — airline reliability comparison
Endeavor Air is the most reliable airline on the JFK to BUF route with a 84% on-time rate, compared to JetBlue Airways at 71%. Based on 1,975 flights tracked.
This route involves weather-prone airports and high-congestion airports, which can affect reliability regardless of airline.
Source: Bureau of Transportation Statistics. Updated October 2026.| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Endeavor Air9EBest | 84% | 3.4% | 59m | 1,975 |
| Republic AirwaysYX | 82% | 4.8% | 79m | 469 |
| SkyWest AirlinesOO | 82% | 6.1% | 93m | 114 |
| Delta Air LinesDL | 74% | 1.8% | 99m | 219 |
| JetBlue AirwaysB6Worst | 71% | 3.6% | 77m | 5,079 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.