Southwest Airlines is the most reliable airline on the PBI to STL route with a 65% on-time rate. Based on 76 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: PBI to STL
West Palm Beach to St. Louis — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines65%
PBI to STL Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 65% | 0.0% | 66m | 76 |
Route Overview
66%
Overall On-Time
66m
Avg Delay
0%
Cancel Rate
76
Total Flights
Flying out of PBI? 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.