Historical on-time performance
Tampa to St. Louis
869 miData through Dec 2025Source: US DOT · BTS
Flights on TPA–STL arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 1,152 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time82%Medianon timep9025 minCancel1.0%Flights1,152
Why flights run late
Delay causes
- Airline23%
- Weather5%
- Air traffic (NAS)18%
- Late aircraft54%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly TPA → STL
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 91% on time.
- Mornings91% on time · p90 5 min · 1,147 flights
- Middays83% on time · p90 25 min · 674 flights
- Afternoons76% on time · p90 40 min · 423 flights
- Evenings68% on time · p90 55 min · 823 flights
- Overnights59% on time · p90 70 min · 312 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 86% on time.
- Tuesdays86% on time · p90 15 min · 448 flights
- Fridays82% on time · p90 25 min · 454 flights
- Wednesdays80% on time · p90 30 min · 459 flights
- Saturdays78% on time · p90 40 min · 564 flights
- Thursdays78% on time · p90 30 min · 429 flights
- Mondays77% on time · p90 30 min · 460 flights
- Sundays74% on time · p90 55 min · 565 flights
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