Historical on-time performance
Tucson to Portland
1,119 miData through May 2026Source: US DOT · BTS
Flights on TUS–PDX arrive on time 92% of the time over the last 12 months.
On-time rate92%arrived within 15 min
p90 delay5 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 306 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time92%Medianon timep905 minCancel0.0%Flights306
Why flights run late
Delay causes
- Airline47%
- Weather0%
- Air traffic (NAS)10%
- Late aircraft43%
- Security0%
Most delay minutes here are attributed to Airline.
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 → PDX
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 — 96% on time.
- Mornings96% on time · p90 on time · 391 flights
- Middays91% on time · p90 10 min · 150 flights · limited
- Evenings88% on time · p90 15 min · 168 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 89% to 94% on time.
- Mondays94% on time · p90 5 min · 118 flights · limited
- Sundays93% on time · p90 5 min · 118 flights · limited
- Thursdays92% on time · p90 5 min · 116 flights · limited
- Fridays89% on time · p90 15 min · 116 flights · limited
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