Southwest Airlines STL to TPA on-time performance
Southwest Airlines nonstop flights from St. Louis to Tampa · Aug 2025 – Jul 2026
On-time arrivals
80%
arrived < 15 min late
Cancelled
0.4%
5 flights
Avg arrival delay
13 min
60 min when late
Rank on route
#1 of 2
route average 80% on time
Key facts
- Southwest Airlines flights on STL to TPA arrived on time 80% of the time in Aug 2025 – Jul 2026.
- 0.4% were cancelled, and 6% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 80% on time overall.
- The largest source of delay minutes was late-arriving aircraft (62%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft62%
- Airline (crew, maintenance, cleaning, fueling)25%
- Air traffic control & airport congestion10%
- Extreme weather2%
- Security0%
Other airlines on STL to TPA
- Frontier Airlines67% on time · 18 min avg delay
Full STL to TPA comparison →
Southwest Airlines on-time record across all routes →
1,199 Southwest Airlines flights tracked on this route; 5 cancelled, 4 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.