Historical on-time performance
Tucson to San Francisco
Flights on TUS–SFO arrive on time 75% of the time over the last 12 months.
based on 957 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- SkyWest AirlinesOn-time75%Medianon timep9055 minCancel0.3%Flights907
- United AirlinesOn-time68%Medianon timep9085 minCancel2.0%Flights50
Why flights run late
Delay causes
- Airline18%
- Weather2%
- Air traffic (NAS)59%
- Late aircraft21%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline25%
- Weather75%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 4 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 TUS → SFO
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Middays are the most reliable time of day to fly this route — 83% on time.
- Middays83% on time · p90 45 min · 998 flights
- Mornings72% on time · p90 50 min · 1,104 flights
- Afternoons71% on time · p90 55 min · 151 flights · limited
- Evenings65% on time · p90 100 min · 442 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 81% on time.
- Saturdays81% on time · p90 30 min · 370 flights
- Tuesdays81% on time · p90 30 min · 381 flights
- Wednesdays76% on time · p90 45 min · 403 flights
- Sundays76% on time · p90 55 min · 388 flights
- Thursdays72% on time · p90 60 min · 399 flights
- Fridays70% on time · p90 75 min · 390 flights
- Mondays70% on time · p90 75 min · 409 flights
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