Historical on-time performance
Austin to Portland
1,715 miData through May 2026Source: US DOT · BTS
Flights on AUS–PDX arrive on time 84% of the time over the last 12 months.
On-time rate84%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 579 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Alaska AirlinesOn-time84%Medianon timep9020 minCancel1.0%Flights579
Why flights run late
Delay causes
- Airline15%
- Weather2%
- Air traffic (NAS)27%
- Late aircraft55%
- Security1%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline50%
- Weather33%
- Air traffic (NAS)17%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 6 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 AUS → 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 — 86% on time.
- Mornings86% on time · p90 15 min · 475 flights
- Evenings75% on time · p90 40 min · 768 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 82% on time.
- Tuesdays82% on time · p90 30 min · 181 flights · limited
- Saturdays81% on time · p90 25 min · 189 flights · limited
- Fridays80% on time · p90 20 min · 199 flights · limited
- Sundays79% on time · p90 30 min · 195 flights · limited
- Wednesdays79% on time · p90 25 min · 178 flights · limited
- Mondays78% on time · p90 30 min · 198 flights · limited
- Thursdays73% on time · p90 35 min · 190 flights · limited
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