Historical on-time performance
Tampa to St. Louis
869 miData through May 2026Source: US DOT · BTS
Flights on TPA–STL arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 1,193 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time83%Medianon timep9025 minCancel0.6%Flights1,193
Why flights run late
Delay causes
- Airline22%
- Weather6%
- Air traffic (NAS)13%
- Late aircraft59%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline14%
- Weather29%
- Air traffic (NAS)57%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 7 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 TPA → STL
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 — 92% on time.
- Mornings92% on time · p90 5 min · 1,097 flights
- Middays83% on time · p90 25 min · 767 flights
- Afternoons77% on time · p90 40 min · 440 flights
- Evenings69% on time · p90 55 min · 780 flights
- Overnights60% on time · p90 85 min · 336 flights
Best day of week
Tuesdays are the most reliable day to fly this route — 87% on time.
- Tuesdays87% on time · p90 15 min · 458 flights
- Wednesdays81% on time · p90 25 min · 455 flights
- Fridays81% on time · p90 30 min · 466 flights
- Saturdays79% on time · p90 40 min · 568 flights
- Thursdays79% on time · p90 30 min · 452 flights
- Mondays77% on time · p90 35 min · 462 flights
- Sundays75% on time · p90 55 min · 559 flights
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