Historical on-time performance
Newark to Portland
284 miData through Dec 2025Source: US DOT · BTS
Flights on EWR–PWM arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled2.8%of scheduled flights
based on 745 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysbestOn-time84%Medianon timep9020 minCancel2.6%Flights588
- United AirlinesOn-time62%Medianon timep9080 minCancel3.8%Flights157
Why flights run late
Delay causes
- Airline34%
- Weather0%
- Air traffic (NAS)18%
- Late aircraft48%
- 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 → PWM
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 · 701 flights
- Middays86% on time · p90 15 min · 632 flights
- Afternoons80% on time · p90 35 min · 457 flights
- Evenings70% on time · p90 65 min · 627 flights
- Overnights66% on time · p90 65 min · 799 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 84% on time.
- Wednesdays84% on time · p90 30 min · 470 flights
- Tuesdays81% on time · p90 30 min · 479 flights
- Saturdays79% on time · p90 45 min · 385 flights
- Thursdays77% on time · p90 45 min · 477 flights
- Mondays76% on time · p90 55 min · 478 flights
- Fridays76% on time · p90 55 min · 480 flights
- Sundays75% on time · p90 45 min · 447 flights
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