Historical on-time performance
Phoenix to Portland
1,009 miData through May 2026Source: US DOT · BTS
Flights on PHX–PDX arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 3,522 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Alaska AirlinesbestOn-time87%Medianon timep9015 minCancel0.3%Flights1,367
- American AirlinesOn-time75%Medianon timep9055 minCancel0.5%Flights878
- Southwest AirlinesOn-time70%Medianon timep9040 minCancel0.5%Flights1,277
Why flights run late
Delay causes
- Airline35%
- Weather1%
- Air traffic (NAS)7%
- Late aircraft57%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline7%
- Weather57%
- Air traffic (NAS)36%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 14 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 PHX → 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 — 91% on time.
- Mornings91% on time · p90 10 min · 3,262 flights
- Middays85% on time · p90 20 min · 1,968 flights
- Afternoons76% on time · p90 45 min · 2,259 flights
- Overnights73% on time · p90 45 min · 1,842 flights
- Evenings73% on time · p90 45 min · 2,076 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 84% on time.
- Saturdays84% on time · p90 25 min · 1,592 flights
- Tuesdays83% on time · p90 25 min · 1,468 flights
- Fridays81% on time · p90 30 min · 1,727 flights
- Wednesdays81% on time · p90 30 min · 1,538 flights
- Mondays80% on time · p90 30 min · 1,696 flights
- Sundays79% on time · p90 35 min · 1,709 flights
- Thursdays79% on time · p90 30 min · 1,677 flights
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