American Airlines is the most reliable airline on the JAX to MIA route with a 80% on-time rate, compared to at 79%. Based on 3,320 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: JAX to MIA
Jacksonville to Miami — airline reliability comparison
On-Time Rate by Airline
American Airlines80%
79%
JAX to MIA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| American AirlinesAABest | 80% | 1.4% | 95m | 3,320 |
| MQWorst | 79% | 1.4% | 57m | 2,872 |
Route Overview
79%
Overall On-Time
80m
Avg Delay
1.5%
Cancel Rate
6,253
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.