Historical on-time performance
New York to Portland
Flights on JFK–PWM arrive on time 67% of the time over the last 12 months.
based on 339 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- JetBlue AirwaysOn-time67%Medianon timep9090 minCancel4.4%Flights339
Why flights run late
Delay causes
- Airline40%
- Weather0%
- Air traffic (NAS)7%
- Late aircraft53%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline20%
- Weather20%
- Air traffic (NAS)60%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 15 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 JFK → PWM
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 41% to 82% on time.
- Mornings82% on time · p90 30 min · 329 flights
- Middays81% on time · p90 30 min · 656 flights
- Afternoons80% on time · p90 35 min · 246 flights
- Overnights70% on time · p90 60 min · 883 flights
- Evenings41% on time · p90 120 min · 176 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 79% on time.
- Wednesdays79% on time · p90 35 min · 320 flights
- Tuesdays77% on time · p90 50 min · 319 flights
- Mondays77% on time · p90 40 min · 330 flights
- Thursdays75% on time · p90 50 min · 331 flights
- Saturdays70% on time · p90 50 min · 328 flights
- Fridays70% on time · p90 65 min · 330 flights
- Sundays67% on time · p90 60 min · 332 flights
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