Southwest Airlines is the most reliable airline on the MDW to JAX route with a 80% on-time rate. Based on 1,381 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MDW to JAX
Chicago to Jacksonville — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines80%
MDW to JAX Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 80% | 1.2% | 49m | 1,381 |
Route Overview
79%
Overall On-Time
51m
Avg Delay
1.2%
Cancel Rate
1,381
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.