Historical on-time performance
New York to Portland
270 miData through Dec 2025Source: US DOT · BTS
Flights on LGA–PWM arrive on time 74% of the time over the last 12 months.
On-time rate74%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled3.8%of scheduled flights
based on 1,053 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time74%Medianon timep9050 minCancel3.8%Flights1,053
Why flights run late
Delay causes
- Airline25%
- Weather2%
- Air traffic (NAS)23%
- Late aircraft50%
- 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 LGA → PWM
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 71% to 87% on time.
- Mornings87% on time · p90 15 min · 823 flights
- Middays84% on time · p90 20 min · 903 flights
- Afternoons78% on time · p90 40 min · 1,125 flights
- Overnights75% on time · p90 45 min · 837 flights
- Evenings71% on time · p90 70 min · 457 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 84% on time.
- Saturdays84% on time · p90 30 min · 433 flights
- Thursdays83% on time · p90 25 min · 624 flights
- Wednesdays82% on time · p90 25 min · 624 flights
- Sundays79% on time · p90 40 min · 575 flights
- Tuesdays78% on time · p90 45 min · 623 flights
- Fridays77% on time · p90 45 min · 629 flights
- Mondays77% on time · p90 45 min · 637 flights
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