Historical on-time performance
Portland to Dallas
1,626 miData through Dec 2025Source: US DOT · BTS
Flights on PDX–DAL arrive on time 67% of the time over the last 12 months.
On-time rate67%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 92 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time67%Median5 minp9025 minCancel0.0%Flights92
Why flights run late
Delay causes
- Airline25%
- Weather0%
- Air traffic (NAS)42%
- Late aircraft32%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly PDX → DAL
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 93% on time.
- Mornings93% on time · p90 10 min · 123 flights · limited
- Middays70% on time · p90 30 min · 215 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 84% to 86% on time.
- Saturdays86% on time · p90 15 min · 78 flights · limited
- Sundays84% on time · p90 40 min · 68 flights · limited
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