Southwest Airlines is the most reliable airline on the MDW to FLL route with a 77% on-time rate, compared to Frontier Airlines at 70%. Based on 4,217 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MDW to FLL
Chicago to Fort Lauderdale — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines77%
Frontier Airlines70%
MDW to FLL Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 77% | 1.3% | 57m | 4,217 |
| Frontier AirlinesF9Worst | 70% | 2.0% | 49m | 130 |
Route Overview
76%
Overall On-Time
57m
Avg Delay
1.4%
Cancel Rate
4,347
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.