New York (JFK) to Portland (PWM): On-Time Performance
Data through July 2026
The biggest risk when flying JFK to PWM isn't a late arrival — it's not departing at all. 4.4% of scheduled flights on this route were cancelled, several times the typical US rate. When flights do go, 73% land on time, below the national average of 78%. Republic Airways has been the safer pick, arriving on time 86% of the time.
- On-time
- 73%
- arrived <15 min late
- Avg delay
- 21 min
- completed flights
- Cancelled
- 4.4%
- Flights/day
- 1.1
- last 12 months
- Duration
- 1h 28m
- scheduled
- Distance
- 273 mi
Best airline from JFK to PWM
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 86% | 10 min | 4.2% | 356 |
| JetBlue Airways | 68% | 25 min | 4.2% | 832 |
| Endeavor Air | 65% | 23 min | 7.7% | 65 |
Monthly on-time trend
Best time to fly from JFK to PWM
Aim for departures around 7 a.m. (91% on-time); avoid 5 p.m. departures (35%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 17 min |
| Tuesdaybest | 79% | 15 min |
| Wednesday | 76% | 16 min |
| Thursday | 69% | 28 min |
| Friday | 75% | 22 min |
| Saturday | 68% | 21 min |
| Sunday | 67% | 27 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft48%
- Airline operations41%
- National airspace system10%
- Weather1%
Frequently asked questions
- How often are flights from JFK to PWM delayed?
- 27% of JFK–PWM flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 21 minutes.
- Which airline is most reliable from JFK to PWM?
- Republic Airways has the best on-time record on this route at 86%, based on 356 flights. 3 airlines flew JFK–PWM frequently enough to compare in this period.
- What is the best time of day to fly from JFK to PWM?
- Departures around 7 a.m. have the best record (91% on-time), while departures around 5 p.m. have the worst (35%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from JFK to PWM?
- The scheduled JFK–PWM flight time averages 1h 28m over 273 miles. Actual arrival times vary — flights on this route land 15+ minutes late 27% of the time.
- How often are JFK to PWM flights cancelled?
- 4.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from JFK to PWM?
- July 2025 was the roughest month in this dataset, with only 45% of arrivals on time. The best was November 2024 at 93%. If your dates are flexible, that 48-point gap is worth planning around.
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Based on 1,253 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.