PWM to JFK flight delays & on-time performance
Nonstop flights from Portland International Jetport to John F. Kennedy International Airport · 273 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PWM or JFK right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Portland (PWM) to New York (JFK) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 4.8% were cancelled, and 9% arrived an hour or more late.
- JetBlue was the most punctual airline here (80% on time); Republic Airways was the least (80%).
- Departures scheduled around 7am did best (95% on time); around 2pm did worst (74%).
- Friday was the most reliable day to fly (87% on time) and Monday the least (75%).
- The largest source of delay minutes was late-arriving aircraft (37%).
Which airline is most on time from PWM to JFK?
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 |
|---|---|---|---|---|---|
| JetBlue | 80% | 3.9% | 19 min | 9.0% | 336 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 80% | 9.7% | 18 min | 8.9% | 62 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am86%107 flights
- 7am95%78 flights
- 1pm40%14 flights
- 2pm74%197 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday75%3.3% cancelled
- Tuesday82%7.5% cancelled
- Wednesday79%2.0% cancelled
- Thursday78%5.3% cancelled
- Friday87%1.6% cancelled
- Saturday84%1.7% cancelled
- Sunday78%12.5% 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 aircraft37%
- Air traffic control & airport congestion35%
- Airline (crew, maintenance, cleaning, fueling)24%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)42%
- Air traffic control & airport congestion37%
- Extreme weather21%
- Security0%
PWM to JFK: common questions
- How often are PWM to JFK flights on time?
- 80% 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 Portland to New York cancelled?
- 4.8% of scheduled flights were cancelled (19 of 398).
- How long are typical delays?
- Across all flights the average arrival delay was 19 min (early arrivals count as zero). Flights that were late arrived 94 min behind schedule on average, and 9.0% of flights were an hour or more late.
- How long is taxi time at PWM?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: JFK to PWM — 75% on time
More flights from Portland
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PWM → JFK, nonstop flights by US airlines that report to the DOT. How we calculate this.