Historical on-time performance
St. Louis to Tampa
869 miData through May 2026Source: US DOT · BTS
Flights on STL–TPA arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 1,196 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time78%Medianon timep9035 minCancel0.5%Flights1,196
Why flights run late
Delay causes
- Airline27%
- Weather3%
- Air traffic (NAS)13%
- Late aircraft57%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather67%
- Air traffic (NAS)33%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 6 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly STL → TPA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 15 min · 1,186 flights
- Middays81% on time · p90 25 min · 438 flights
- Evenings74% on time · p90 45 min · 829 flights
- Overnights69% on time · p90 55 min · 326 flights
- Afternoons68% on time · p90 50 min · 661 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 83% on time.
- Tuesdays83% on time · p90 30 min · 458 flights
- Wednesdays81% on time · p90 25 min · 456 flights
- Saturdays77% on time · p90 35 min · 574 flights
- Thursdays77% on time · p90 30 min · 458 flights
- Fridays77% on time · p90 35 min · 471 flights
- Mondays77% on time · p90 35 min · 466 flights
- Sundays74% on time · p90 50 min · 557 flights
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