Baltimore to Boston — airline reliability comparison
SkyWest Airlines is the most reliable airline on the BWI to BOS route with a 85% on-time rate, compared to Spirit Airlines at 73%. Based on 40 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 |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 85% | 2.5% | 229m | 40 |
| Republic AirwaysYX | 84% | 2.2% | 83m | 3,351 |
| JetBlue AirwaysB6 | 78% | 2.1% | 74m | 1,058 |
| Southwest AirlinesWN | 73% | 1.7% | 58m | 8,859 |
| Spirit AirlinesNKWorst | 73% | 2.9% | 68m | 943 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.