Frontier Airlines is the most reliable airline on the FLL to MDW route with a 86% on-time rate, compared to Southwest Airlines at 75%. Based on 130 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: FLL to MDW
Fort Lauderdale to Chicago — airline reliability comparison
On-Time Rate by Airline
Frontier Airlines86%
Southwest Airlines75%
FLL to MDW Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Frontier AirlinesF9Best | 86% | 2.7% | 89m | 130 |
| Southwest AirlinesWNWorst | 75% | 1.4% | 59m | 4,217 |
Route Overview
75%
Overall On-Time
59m
Avg Delay
1.5%
Cancel Rate
4,347
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.