Route · PWM → LGA · 2020–2025 BTS data
Portland to New York
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PWM to LGA (Portland to New York) ranks #1855 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 83.8%
- On-time
- +4.8 pts
- vs US avg
- 87 min
- Delay when late
- 6,808
- Flights
- #1855 of 4927
- Corpus placement
Cancelled
3.4%
Best Month
Aug 2025 94%
Worst Month
Dec 2025 67%
Distance
269 mi
Carriers
9
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 76 | 25 | 1 | 1 | YX |
| Nov 2025 | 82 | 17 | 5 | 0 | YX |
| Oct 2025 | 141 | 27 | 3 | 0 | YX |
| Sep 2025 | 86 | 10 | 1 | 0 | YX |
| Aug 2025 | 86 | 5 | 2 | 0 | YX |
| Jul 2025 | 81 | 19 | 11 | 0 | YX |
| Jun 2025 | 91 | 18 | 4 | 0 | YX |
| May 2025 | 97 | 24 | 2 | 0 | YX |
| Apr 2025 | 135 | 12 | 0 | 0 | YX |
| Mar 2025 | 74 | 18 | 0 | 0 | YX |
| Feb 2025 | 48 | 12 | 4 | 0 | YX |
| Jan 2025 | 57 | 15 | 1 | 0 | YX |
| Dec 2024 | 75 | 10 | 0 | 0 | 9E,YX |
| Nov 2024 | 86 | 7 | 0 | 0 | YX,9E |
| Oct 2024 | 147 | 15 | 0 | 0 | YX,9E |
| Sep 2024 | 151 | 15 | 0 | 1 | YX,9E |
| Aug 2024 | 186 | 44 | 18 | 0 | YX,9E |
| Jul 2024 | 186 | 48 | 9 | 0 | 9E,YX |
| Jun 2024 | 170 | 47 | 8 | 0 | 9E,YX |
| May 2024 | 111 | 11 | 4 | 0 | 9E,YX |
| Apr 2024 | 86 | 11 | 2 | 0 | 9E,YX |
| Mar 2024 | 88 | 6 | 1 | 0 | 9E,YX |
| Feb 2024 | 83 | 7 | 3 | 1 | 9E |
| Jan 2024 | 83 | 15 | 6 | 0 | 9E,YX |
PWM–LGA seasonal on-time pattern
Best: September (88.2%) · weakest: January (77.5%)
Strongest calendar month
September
88.2% on-time · ~122 flights/mo
Busiest calendar month
July
~137 flights/mo avg
Weakest calendar month
January
77.5% on-time · ~82 flights/mo
Cancellation Rate
3.4%
85 of 2,506 flights
Diversion Rate
0.1%
3 of 2,506 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PWM - Portland
Full on-time, delay-cause, and seasonal performance for Portland, ME.
PWM on-time profileLGA - New York
Full on-time, delay-cause, and seasonal performance for New York, NY.
LGA on-time profileCompare the two airports
See PWM and LGA side by side on delays, cancellations, and reliability.
Compare PWM vs LGAOrigin-hub reliability standing
Mid-pack among PWM departures
From PWM, this corridor sits with 9 other 75–85% on-time routes out of 12 tracked departures, not the hub's reliability leaders (2 at ≥85%) and not the softest ( 1 below 75%). Destination: New York · fleet on-time rank #1665 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to PWM–LGA.
Routes with a similar on-time rate
What the Data Says About PWM to LGA
Bureau of Transportation Statistics records show Portland to New York (PWM to LGA) running a 83.8% on-time rate over 6,808 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 87.0 minutes. The 269-mile corridor is served by 9 carriers, and over the last 24 months 3.4% of 2,506 flights were cancelled, 0.1% diverted.
The monthly split is wide on this route: Aug 2025 posted the strongest performance at 94% on-time, while Dec 2025 came in at just 67% - a 27-point swing worth factoring into travel timing.
On the multi-year calendar, PWM–LGA peaks in September at 88.2% on-time while July carries the heaviest traffic (~137 flights per month) ; the softest month is January at 77.5%, a 10.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does PWM to LGA rank among US routes by traffic? ▼
How often are flights delayed from PWM to LGA? ▼
What is the cancellation rate for PWM to LGA? ▼
How far is the flight from PWM to LGA? ▼
When is the best time to fly from PWM to LGA? ▼
Airports on this route
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.
Using PWM–LGA data
PWM–LGA runs 4.8 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare PWM and LGA airport profiles: delay causes and top routes differ even on the same corridor. PWM airport
- If your dates flex, September (88.2% on-time) beats January (77.5%) on this corridor. Seasonal chart
- 4 other routes post a similar 83.8% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.