Historical on-time performance
Tampa to San Francisco
2,393 miData through May 2026Source: US DOT · BTS
Flights on TPA–SFO arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 720 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time80%Medianon timep9035 minCancel0.4%Flights720
Why flights run late
Delay causes
- Airline26%
- Weather4%
- Air traffic (NAS)45%
- Late aircraft25%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline100%
- Weather0%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 3 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 → SFO
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 — 84% on time.
- Mornings84% on time · p90 20 min · 1,206 flights
- Evenings63% on time · p90 70 min · 580 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 84% on time.
- Wednesdays84% on time · p90 20 min · 255 flights
- Tuesdays82% on time · p90 25 min · 231 flights
- Mondays80% on time · p90 30 min · 269 flights
- Saturdays79% on time · p90 30 min · 265 flights
- Fridays75% on time · p90 45 min · 281 flights
- Thursdays72% on time · p90 55 min · 269 flights
- Sundays71% on time · p90 45 min · 284 flights
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