New York to Miami — airline reliability comparison
American Airlines is the most reliable airline on the JFK to MIA route with a 78% on-time rate, compared to JetBlue Airways at 64%. Based on 10,456 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 | 78% | 1.9% | 86m | 10,456 |
| Frontier AirlinesF9 | 76% | 1.8% | 99m | 348 |
| Delta Air LinesDL | 75% | 2.0% | 72m | 5,590 |
| JetBlue AirwaysB6Worst | 64% | 3.0% | 78m | 2,659 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.