Historical on-time performance
Tucson to Salt Lake City
601 miData through May 2026Source: US DOT · BTS
Flights on TUS–SLC arrive on time 94% of the time over the last 12 months.
On-time rate94%arrived within 15 min
p90 delayon time1 in 10 flights is worse (tail risk)
Cancelled0.2%of scheduled flights
based on 1,087 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time94%Medianon timep90on timeCancel0.2%Flights1,087
Why flights run late
Delay causes
- Airline79%
- Weather18%
- Air traffic (NAS)4%
- Late aircraft0%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather0%
- Air traffic (NAS)100%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 2 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 → SLC
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 — 97% on time.
- Mornings97% on time · p90 on time · 1,107 flights
- Middays95% on time · p90 on time · 1,110 flights
- Afternoons94% on time · p90 on time · 223 flights
- Evenings89% on time · p90 15 min · 857 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 93% to 95% on time.
- Wednesdays95% on time · p90 on time · 466 flights
- Tuesdays95% on time · p90 on time · 466 flights
- Thursdays95% on time · p90 on time · 473 flights
- Saturdays94% on time · p90 5 min · 470 flights
- Mondays94% on time · p90 5 min · 468 flights
- Fridays94% on time · p90 on time · 476 flights
- Sundays93% on time · p90 on time · 478 flights
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