Southwest Airlines is the most reliable airline on the RSW to STL route with a 80% on-time rate. Based on 3,258 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: RSW to STL
Fort Myers to St. Louis — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines80%
RSW to STL Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 80% | 1.0% | 57m | 3,258 |
Route Overview
79%
Overall On-Time
58m
Avg Delay
1.1%
Cancel Rate
3,258
Total Flights
Flying out of RSW? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.