New York to Boston — airline reliability comparison
Republic Airways is the most reliable airline on the LGA to BOS route with a 81% on-time rate, compared to Delta Air Lines at 73%. Based on 18,090 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 |
|---|---|---|---|---|
| Republic AirwaysYXBest | 81% | 3.6% | 68m | 18,090 |
| JetBlue AirwaysB6 | 80% | 3.4% | 80m | 6,356 |
| American AirlinesAA | 78% | 1.2% | 81m | 716 |
| Delta Air LinesDLWorst | 73% | 2.5% | 92m | 2,198 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.