Boston to Dallas — airline reliability comparison
American Airlines is the most reliable airline on the BOS to DFW route with a 79% on-time rate, compared to Frontier Airlines at 61%. Based on 8,790 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 |
|---|---|---|---|---|
| American AirlinesAABest | 79% | 2.3% | 84m | 8,790 |
| Delta Air LinesDL | 76% | 1.7% | 79m | 3,223 |
| JetBlue AirwaysB6 | 70% | 1.6% | 64m | 1,123 |
| Spirit AirlinesNK | 61% | 1.9% | 78m | 347 |
| Frontier AirlinesF9Worst | 61% | 6.1% | 52m | 96 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.