OnTimeRoutes
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Southwest Airlines TPA to STL on-time performance

Southwest Airlines nonstop flights from Tampa to St. Louis · Aug 2025 – Jul 2026

On-time arrivals
83%
arrived < 15 min late
Cancelled
0.5%
6 flights
Avg arrival delay
10 min
57 min when late
Rank on route
#2 of 2
route average 83% on time

Key facts

  • Southwest Airlines flights on TPA to STL arrived on time 83% of the time in Aug 2025 – Jul 2026.
  • 0.5% were cancelled, and 5% arrived an hour or more late.
  • That ranks #2 of 2 airlines on this route, which averaged 83% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (60%).

On-time trend by month

60%80%100%July 2025: 80.0% on time, 0.0% cancelledJul ’25August 2025: 82.6% on time, 1.1% cancelledAug ’25September 2025: 91.1% on time, 0.0% cancelledSep ’25October 2025: 87.0% on time, 0.0% cancelledOct ’25November 2025: 85.1% on time, 0.0% cancelledNov ’25December 2025: 85.6% on time, 0.0% cancelledDec ’25January 2026: 90.6% on time, 0.0% cancelledJan ’26February 2026: 79.8% on time, 0.0% cancelledFeb ’26March 2026: 78.9% on time, 2.7% cancelledMar ’26April 2026: 81.7% on time, 0.0% cancelledApr ’26May 2026: 80.7% on time, 1.7% cancelledMay ’26June 2026: 82.8% on time, 0.0% cancelledJun ’26July 2026: 77.4% on time, 0.0% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft60%
  • Airline (crew, maintenance, cleaning, fueling)22%
  • Air traffic control & airport congestion14%
  • Extreme weather4%
  • Security0%

Other airlines on TPA to STL

1,200 Southwest Airlines flights tracked on this route; 6 cancelled, 0 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.