Route · LGA → IAD · 2020–2025 BTS data
New York to Washington
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LGA to IAD (New York to Washington) ranks #2395 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 81.6%
- On-time
- +2.6 pts
- vs US avg
- 87 min
- Delay when late
- 5,228
- Flights
- #2395 of 4927
- Corpus placement
Cancelled
3.7%
Best Month
Feb 2024 97%
Worst Month
Jun 2025 63%
Distance
229 mi
Carriers
14
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 107 | 35 | 5 | 0 | YX |
| Nov 2025 | 87 | 19 | 13 | 0 | YX |
| Oct 2025 | 100 | 23 | 1 | 0 | YX |
| Sep 2025 | 111 | 25 | 4 | 0 | YX |
| Aug 2025 | 107 | 19 | 4 | 0 | YX |
| Jul 2025 | 43 | 19 | 8 | 0 | YX |
| Jun 2025 | 59 | 22 | 6 | 0 | UA,YX |
| May 2025 | 41 | 12 | 0 | 0 | UA,YX |
| Jan 2025 | 44 | 10 | 3 | 0 | YX |
| Dec 2024 | 123 | 25 | 1 | 0 | UA,YX |
| Nov 2024 | 119 | 18 | 0 | 0 | YX |
| Oct 2024 | 122 | 14 | 0 | 0 | YX |
| Sep 2024 | 106 | 19 | 0 | 0 | YX |
| Aug 2024 | 124 | 26 | 14 | 1 | YX |
| Jul 2024 | 124 | 27 | 4 | 0 | YX |
| Jun 2024 | 116 | 19 | 6 | 0 | YX |
| May 2024 | 121 | 25 | 1 | 0 | YX,UA |
| Apr 2024 | 120 | 18 | 1 | 0 | YX |
| Mar 2024 | 119 | 13 | 0 | 0 | YX |
| Feb 2024 | 102 | 3 | 2 | 0 | YX |
| Jan 2024 | 183 | 24 | 10 | 0 | YX |
| Aug 2023 | 31 | 6 | 1 | 0 | YX |
| Jun 2023 | 35 | 7 | 0 | 0 | YX |
| May 2023 | 42 | 6 | 0 | 0 | 9E |
LGA–IAD seasonal on-time pattern
Best: March (90.0%) · weakest: May (76.9%)
Strongest calendar month
March
90.0% on-time · ~100 flights/mo
Busiest calendar month
December
~163 flights/mo avg
Weakest calendar month
May
76.9% on-time · ~78 flights/mo
Cancellation Rate
3.7%
84 of 2,286 flights
Diversion Rate
0.0%
1 of 2,286 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.
LGA on-time profileIAD - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
IAD on-time profileCompare the two airports
See LGA and IAD side by side on delays, cancellations, and reliability.
Compare LGA vs IADOrigin-hub reliability standing
Mid-pack among LGA departures
From LGA, this corridor sits with 64 other 75–85% on-time routes out of 75 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 3 below 75%). Destination: Washington · fleet on-time rank #2516 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to LGA–IAD.
Routes with a similar on-time rate
What the Data Says About LGA to IAD
5,228 tracked flights put the LGA to IAD pairing (New York to Washington) at a 81.6% on-time rate, squarely in line with the wider network. Delays that do occur run 86.6 minutes on average. Across the 229-mile route and its 14 carriers, the trailing 24 months show 3.7% cancelled and 0.0% diverted (2,286 flights sampled).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 97% on-time, while Jun 2025 came in at just 63% - a 34-point swing worth factoring into travel timing.
On the multi-year calendar, LGA–IAD peaks in March at 90.0% on-time while December carries the heaviest traffic (~163 flights per month) ; the softest month is May at 76.9%, a 13.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does LGA to IAD rank among US routes by traffic? ▼
How often are flights delayed from LGA to IAD? ▼
What is the cancellation rate for LGA to IAD? ▼
How far is the flight from LGA to IAD? ▼
When is the best time to fly from LGA to IAD? ▼
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 LGA–IAD data
LGA–IAD is mid-pack at 81.6% on-time; month and carrier mix move more than the corridor headline.
- Compare LGA and IAD airport profiles: delay causes and top routes differ even on the same corridor. LGA airport
- If your dates flex, March (90.0% on-time) beats May (76.9%) on this corridor. Seasonal chart
- 4 other routes post a similar 81.6% 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.