Historical on-time performance
Seattle to Tucson
Flights on SEA–TUS arrive on time 81% of the time over the last 12 months.
based on 1,000 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Delta Air LinesOn-time83%Medianon timep9025 minCancel2.2%Flights92
- SkyWest AirlinesOn-time82%Medianon timep9030 minCancel0.0%Flights352
- Alaska AirlinesOn-time80%Medianon timep9025 minCancel0.5%Flights556
Why flights run late
Delay causes
- Airline47%
- Weather5%
- Air traffic (NAS)12%
- Late aircraft35%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline60%
- Weather40%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 5 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 SEA → TUS
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 · 1,350 flights
- Overnights79% on time · p90 35 min · 126 flights · limited
- Middays75% on time · p90 35 min · 807 flights
- Evenings73% on time · p90 35 min · 874 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 83% on time.
- Wednesdays83% on time · p90 25 min · 442 flights
- Thursdays81% on time · p90 30 min · 468 flights
- Mondays81% on time · p90 30 min · 468 flights
- Tuesdays80% on time · p90 30 min · 440 flights
- Saturdays79% on time · p90 30 min · 427 flights
- Fridays79% on time · p90 25 min · 471 flights
- Sundays76% on time · p90 30 min · 471 flights
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