Historical on-time performance
Portland to Austin
1,715 miData through May 2026Source: US DOT · BTS
Flights on PDX–AUS arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.7%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-time83%Medianon timep9025 minCancel0.7%Flights579
Why flights run late
Delay causes
- Airline19%
- Weather2%
- Air traffic (NAS)29%
- Late aircraft50%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline50%
- Weather50%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. 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 PDX → AUS
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Evenings are the most reliable time of day to fly this route — 79% on time.
- Evenings79% on time · p90 35 min · 434 flights
- Middays74% on time · p90 40 min · 826 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 84% on time.
- Tuesdays84% on time · p90 20 min · 178 flights · limited
- Wednesdays79% on time · p90 30 min · 182 flights · limited
- Mondays78% on time · p90 35 min · 192 flights · limited
- Fridays77% on time · p90 35 min · 199 flights · limited
- Saturdays77% on time · p90 40 min · 184 flights · limited
- Sundays73% on time · p90 40 min · 198 flights · limited
- Thursdays70% on time · p90 45 min · 197 flights · limited
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