New York to Seattle — airline reliability comparison
Alaska Airlines is the most reliable airline on the JFK to SEA route with a 80% on-time rate, compared to JetBlue Airways at 72%. Based on 4,879 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 |
|---|---|---|---|---|
| Alaska AirlinesASBest | 80% | 2.2% | 67m | 4,879 |
| Delta Air LinesDL | 79% | 1.6% | 64m | 4,683 |
| JetBlue AirwaysB6Worst | 72% | 1.8% | 71m | 1,010 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.