TPA → STL Southwest Airlines

Southwest Airlines · Tampa, FL to St. Louis, MO · 1,194 flights, 2025-07-01 to 2026-06-30 · aggregated across 54 flight numbers

This route runs much more reliably at some times of day than others — 98% on-time departing 3–6am vs. 53% departing 9pm–12am.
On-time arrival
85%
Median delay
-7 min
90th percentile
+28 min
Cancellation rate
1%

How on-time is Southwest Airlines from TPA to STL?

Across every Southwest Airlines flight number on TPA → STL (1,194 flights, 2025-07-01 to 2026-06-30), 85% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +28 min or later. 1% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1,00485%
16-30 min746%
31-60 min545%
61-120 min373%
2+ hrs192%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0710082%+1 min
2025-089284%+2 min
2025-099091%-6 min
2025-109288%+0 min
2025-119485%-2 min
2025-1210487%+3 min
2026-019692%-8 min
2026-028981%+5 min
2026-0310981%+3 min
2026-0410983%+4 min
2026-0511481%+6 min
2026-069983%+1 min

Performance by day of week

DayFlightsOn-time
Mon16477%
Tue16489%
Wed16187%
Thu16387%
Fri16686%
Sat18986%
Sun18181%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…