Route · LGA → PWM · 2020–2025 BTS data
New York to Portland
The LGA–PWM corridor (New York, NY → Portland, ME) runs ahead of the national average, served by 9 carriers across roughly 269 miles.
Data updated 2026-06-13
- 83.1%
- On-time
- +4.1 pts
- vs US avg
- 72 min
- Delay when late
- 6,805
- Flights
Cancelled
3.4%
Best Month
Feb 2024 95%
Worst Month
Oct 2025 65%
Distance
269 mi
Carriers
9
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 76 | 21 | 4 | 0 | YX |
| Nov 2025 | 81 | 20 | 5 | 0 | YX |
| Oct 2025 | 142 | 49 | 4 | 0 | YX |
| Sep 2025 | 86 | 11 | 1 | 0 | YX |
| Aug 2025 | 86 | 11 | 2 | 0 | YX |
| Jul 2025 | 81 | 24 | 10 | 0 | YX |
| Jun 2025 | 91 | 23 | 8 | 0 | YX |
| May 2025 | 96 | 15 | 2 | 0 | YX |
| Apr 2025 | 136 | 21 | 0 | 1 | YX |
| Mar 2025 | 74 | 13 | 0 | 1 | YX |
| Feb 2025 | 47 | 11 | 3 | 0 | YX |
| Jan 2025 | 57 | 10 | 1 | 0 | YX |
| Dec 2024 | 75 | 9 | 0 | 0 | 9E,YX |
| Nov 2024 | 86 | 5 | 0 | 0 | 9E,YX |
| Oct 2024 | 147 | 9 | 0 | 0 | YX,9E |
| Sep 2024 | 151 | 11 | 0 | 3 | YX,9E |
| Aug 2024 | 186 | 35 | 14 | 0 | YX,9E |
| Jul 2024 | 186 | 39 | 11 | 0 | 9E,YX |
| Jun 2024 | 170 | 41 | 5 | 1 | 9E,YX |
| May 2024 | 111 | 9 | 4 | 0 | 9E,YX |
| Apr 2024 | 86 | 11 | 2 | 0 | 9E,YX |
| Mar 2024 | 88 | 7 | 1 | 0 | 9E,YX |
| Feb 2024 | 83 | 4 | 3 | 0 | 9E |
| Jan 2024 | 83 | 16 | 5 | 0 | 9E,YX |
Cancellation Rate
3.4%
85 of 2,505 flights
Diversion Rate
0.2%
6 of 2,505 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
LGA - New York
Full on-time, delay-cause, and seasonal performance for New York, NY.
Origin airport →PWM - Portland
Full on-time, delay-cause, and seasonal performance for Portland, ME.
Destination airport →Compare the two airports
See LGA and PWM side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to LGA–PWM.
Routes with a similar on-time rate
What the Data Says About LGA to PWM
Bureau of Transportation Statistics records show New York to Portland (LGA to PWM) running a 83.1% on-time rate over 6,805 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 72.2 minutes. The 269-mile corridor is served by 9 carriers, and over the last 24 months 3.4% of 2,505 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 95% on-time, while Oct 2025 came in at just 65% - a 30-point swing worth factoring into travel timing.
Frequently Asked Questions
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Flight Guides
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.