Historical on-time performance
Newark to Portland
2,434 miData through May 2026Source: US DOT · BTS
Flights on EWR–PDX arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled1.3%of scheduled flights
based on 744 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time76%Medianon timep9040 minCancel1.5%Flights468
- Alaska AirlinesOn-time67%Medianon timep9065 minCancel1.1%Flights276
Why flights run late
Delay causes
- Airline16%
- Weather13%
- Air traffic (NAS)33%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline30%
- Weather60%
- Air traffic (NAS)10%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 10 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 EWR → 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 · 438 flights
- Afternoons78% on time · p90 40 min · 260 flights
- Evenings71% on time · p90 65 min · 1,794 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 78% on time.
- Tuesdays78% on time · p90 35 min · 355 flights
- Saturdays78% on time · p90 55 min · 341 flights
- Sundays74% on time · p90 65 min · 360 flights
- Mondays74% on time · p90 55 min · 355 flights
- Wednesdays74% on time · p90 55 min · 355 flights
- Thursdays73% on time · p90 45 min · 362 flights
- Fridays73% on time · p90 60 min · 364 flights
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