Historical on-time performance
Atlanta to Portland
Flights on ATL–PDX arrive on time 77% of the time over the last 12 months.
based on 1,490 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Alaska AirlinesOn-time78%Medianon timep9060 minCancel0.5%Flights184
- Delta Air LinesOn-time77%Medianon timep9035 minCancel1.1%Flights1,306
Why flights run late
Delay causes
- Airline34%
- Weather12%
- Air traffic (NAS)31%
- Late aircraft22%
- Security1%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline63%
- Weather38%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 16 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 ATL → PDX
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Middays are the most reliable time of day to fly this route — 90% on time.
- Middays90% on time · p90 10 min · 514 flights
- Mornings82% on time · p90 25 min · 1,098 flights
- Afternoons78% on time · p90 40 min · 896 flights
- Evenings76% on time · p90 40 min · 1,591 flights
- Overnights71% on time · p90 60 min · 177 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 82% on time.
- Tuesdays82% on time · p90 25 min · 579 flights
- Wednesdays81% on time · p90 25 min · 591 flights
- Mondays79% on time · p90 35 min · 635 flights
- Thursdays79% on time · p90 30 min · 633 flights
- Saturdays79% on time · p90 35 min · 564 flights
- Fridays78% on time · p90 35 min · 641 flights
- Sundays78% on time · p90 40 min · 633 flights
Keep exploring