JFK to PWM flight delays & on-time performance
Nonstop flights from John F. Kennedy International Airport to Portland International Jetport · 273 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at JFK or PWM right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from New York (JFK) to Portland (PWM) arrived on time 75% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 4.3% were cancelled, and 13% arrived an hour or more late.
- Republic Airways was the most punctual airline here (93% on time); JetBlue was the least (71%).
- Departures scheduled around 12pm did best (83% on time); around 10pm did worst (62%).
- Tuesday was the most reliable day to fly (88% on time) and Sunday the least (65%).
- The largest source of delay minutes was late-arriving aircraft (55%).
Which airline is most on time from JFK to PWM?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 93% | 9.7% | 9 min | 5.4% | 62 |
| JetBlue | 71% | 3.3% | 23 min | 14.5% | 336 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 11am65%18 flights
- 12pm83%194 flights
- 8pm67%21 flights
- 9pm73%57 flights
- 10pm62%107 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday73%5.6% cancelled
- Tuesday88%2.0% cancelled
- Wednesday77%5.4% cancelled
- Thursday72%1.6% cancelled
- Friday81%1.6% cancelled
- Saturday68%3.6% cancelled
- Sunday65%10.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft55%
- Airline (crew, maintenance, cleaning, fueling)37%
- Air traffic control & airport congestion6%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)41%
- Air traffic control & airport congestion41%
- Extreme weather18%
- Security0%
JFK to PWM: common questions
- How often are JFK to PWM flights on time?
- 75% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from New York to Portland cancelled?
- 4.3% of scheduled flights were cancelled (17 of 398).
- How long are typical delays?
- Across all flights the average arrival delay was 21 min (early arrivals count as zero). Flights that were late arrived 82 min behind schedule on average, and 13.1% of flights were an hour or more late.
- How long is taxi time at JFK?
- Flights on this route spent 25 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PWM to JFK — 80% on time
More flights from New York
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: JFK → PWM, nonstop flights by US airlines that report to the DOT. How we calculate this.