Route · IAD → LGA · 2020–2025 BTS data
Washington to New York
The IAD–LGA corridor (Washington, DC → New York, NY) runs behind the national average, served by 15 carriers across roughly 229 miles.
Data updated 2026-06-13
- 77.1%
- On-time
- -1.9 pts
- vs US avg
- 78 min
- Delay when late
- 5,231
- Flights
Cancelled
3.8%
Best Month
Jan 2024 86%
Worst Month
Jun 2025 61%
Distance
229 mi
Carriers
15
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 107 | 32 | 5 | 0 | YX |
| Nov 2025 | 88 | 28 | 13 | 0 | YX |
| Oct 2025 | 99 | 22 | 1 | 0 | YX |
| Sep 2025 | 111 | 19 | 4 | 0 | YX |
| Aug 2025 | 107 | 21 | 4 | 0 | YX |
| Jul 2025 | 43 | 15 | 7 | 0 | YX |
| Jun 2025 | 59 | 23 | 7 | 0 | UA,YX |
| May 2025 | 42 | 12 | 0 | 0 | UA,YX |
| Jan 2025 | 43 | 8 | 3 | 0 | YX |
| Dec 2024 | 123 | 33 | 1 | 0 | UA,YX |
| Nov 2024 | 119 | 34 | 0 | 0 | YX |
| Oct 2024 | 123 | 21 | 0 | 0 | YX |
| Sep 2024 | 105 | 17 | 0 | 0 | YX |
| Aug 2024 | 124 | 37 | 14 | 0 | YX |
| Jul 2024 | 124 | 39 | 7 | 1 | YX |
| Jun 2024 | 116 | 32 | 6 | 0 | YX |
| May 2024 | 121 | 24 | 1 | 0 | YX,UA |
| Apr 2024 | 120 | 20 | 1 | 1 | YX |
| Mar 2024 | 119 | 23 | 0 | 0 | YX |
| Feb 2024 | 101 | 15 | 2 | 0 | YX |
| Jan 2024 | 184 | 26 | 10 | 0 | YX |
| Aug 2023 | 31 | 5 | 0 | 0 | YX |
| Jun 2023 | 36 | 8 | 0 | 0 | YX |
| May 2023 | 42 | 5 | 0 | 0 | 9E |
Cancellation Rate
3.8%
86 of 2,287 flights
Diversion Rate
0.1%
2 of 2,287 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
IAD - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
Origin airport →LGA - New York
Full on-time, delay-cause, and seasonal performance for New York, NY.
Destination airport →Compare the two airports
See IAD and LGA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAD–LGA.
Routes with a similar on-time rate
What the Data Says About IAD to LGA
The Washington to New York corridor (IAD to LGA) posts a 77.1% on-time rate on the lower edge of the average band, based on 5,231 tracked flights. Late flights run 78.3 minutes behind on average. 15 carriers cover the 229-mile route; over the last 24 months, 86 of 2,287 flights were cancelled (3.8%) and 0.1% diverted.
The monthly split is wide on this route: Jan 2024 posted the strongest performance at 86% on-time, while Jun 2025 came in at just 61% - a 25-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.