New York (LGA) to Portland (PWM): On-Time Performance
Data through July 2026
New York (LGA) to Portland (PWM) has an unusually high scrub rate — 4.2% of scheduled departures never left the gate, a cancellation rate several times the national figure. When flights do go, 81% land on time, no worse than the national average of 78%.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 4.2%
- Flights/day
- 3.2
- last 12 months
- Duration
- 1h 26m
- scheduled
- Distance
- 269 mi
Best airline from LGA to PWM
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Endeavor Airmost reliable | 84% | 10 min | 4.0% | 198 |
| Republic Airways | 81% | 13 min | 4.3% | 2,341 |
Monthly on-time trend
Best time to fly from LGA to PWM
Aim for departures around 1 p.m. (97% on-time); avoid 6 p.m. departures (65%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 13 min |
| Tuesday | 80% | 13 min |
| Wednesday | 80% | 13 min |
| Thursday | 82% | 9 min |
| Friday | 79% | 15 min |
| Saturdaybest | 85% | 10 min |
| Sunday | 79% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft49%
- Airline operations27%
- National airspace system22%
- Weather1%
Frequently asked questions
- How often are flights from LGA to PWM delayed?
- 19% of LGA–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 12 minutes.
- Which airline is most reliable from LGA to PWM?
- Endeavor Air has the best on-time record on this route at 84%, based on 198 flights. 2 airlines flew LGA–PWM frequently enough to compare in this period.
- What is the best time of day to fly from LGA to PWM?
- Departures around 1 p.m. have the best record (97% on-time), while departures around 6 p.m. have the worst (65%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LGA to PWM?
- The scheduled LGA–PWM flight time averages 1h 26m over 269 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are LGA to PWM flights cancelled?
- 4.2% 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 LGA to PWM?
- October 2025 was the roughest month in this dataset, with only 65% of arrivals on time. The best was November 2024 at 94%. If your dates are flexible, that 30-point gap is worth planning around.
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Based on 2,596 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.