Historical on-time performance
Newark to Portland
2,433 miData through Dec 2025Source: US DOT · BTS
Flights on EWR–PDX arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled1.2%of scheduled flights
based on 674 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 timep9045 minCancel0.9%Flights459
- Alaska AirlinesOn-time61%Medianon timep90115 minCancel1.9%Flights215
Why flights run late
Delay causes
- Airline15%
- Weather8%
- Air traffic (NAS)24%
- Late aircraft53%
- Security0%
Most delay minutes here are attributed to Late aircraft.
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 (2023-01 .. 2025-12).
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 · 456 flights
- Afternoons80% on time · p90 40 min · 259 flights
- Evenings70% on time · p90 65 min · 1,815 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 78% on time.
- Tuesdays78% on time · p90 35 min · 365 flights
- Sundays77% on time · p90 60 min · 368 flights
- Saturdays75% on time · p90 70 min · 330 flights
- Wednesdays74% on time · p90 50 min · 366 flights
- Thursdays74% on time · p90 50 min · 366 flights
- Mondays74% on time · p90 50 min · 366 flights
- Fridays72% on time · p90 65 min · 369 flights
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