PlainFlights

Route · LGA → DCA · 2020–2025 BTS data

New York to Washington

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LGA to DCA (New York to Washington) ranks #146 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

82.8%
On-time
+3.8 pts
vs US avg
80 min
Delay when late
28,793
Flights
#146 of 4927
Corpus placement

Cancelled

3.6%

Best Month

Mar 2024 92%

Worst Month

Dec 2025 57%

Distance

214 mi

Carriers

7

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 342 147 14 0 YX
Nov 2025 393 156 19 1 YX
Oct 2025 398 124 12 0 YX
Sep 2025 386 71 4 0 YX
Aug 2025 406 49 12 0 YX
Jul 2025 419 82 57 1 YX
Jun 2025 398 119 29 0 YX
May 2025 388 116 15 0 YX
Apr 2025 384 88 2 0 YX,AA
Mar 2025 389 89 3 0 AA,YX
Feb 2025 356 129 18 2 AA,YX
Jan 2025 370 53 27 1 AA,YX
Dec 2024 324 76 1 1 AA,YX
Nov 2024 367 45 0 0 YX,AA
Oct 2024 371 35 0 0 YX,AA
Sep 2024 356 34 0 0 YX,AA
Aug 2024 365 77 38 0 AA,YX
Jul 2024 370 81 15 3 AA,YX
Jun 2024 350 71 14 0 AA,YX
May 2024 372 62 7 0 AA,YX
Apr 2024 365 53 3 0 AA,YX
Mar 2024 384 32 1 0 AA,YX
Feb 2024 369 36 8 0 AA,YX
Jan 2024 352 46 21 4 AA,YX

LGA–DCA seasonal on-time pattern

Best: March (86.2%) · weakest: December (79.4%)

78%80%82%84%86%88% JanFebMarAprMayJunJulAugSepOctNovDec 79.4%

Strongest calendar month

March

86.2% on-time · ~462 flights/mo

Busiest calendar month

March

~462 flights/mo avg

Weakest calendar month

December

79.4% on-time · ~358 flights/mo

Cancellation Rate

3.6%

320 of 8,974 flights

Diversion Rate

0.1%

13 of 8,974 flights

Origin-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 #2034 of 4927.

What the Data Says About LGA to DCA

Bureau of Transportation Statistics records show New York to Washington (LGA to DCA) running a 82.8% on-time rate over 28,793 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 79.8 minutes. The 214-mile corridor is served by 7 carriers, and over the last 24 months 3.6% of 8,974 flights were cancelled, 0.1% diverted.

The monthly split is wide on this route: Mar 2024 posted the strongest performance at 92% on-time, while Dec 2025 came in at just 57% - a 35-point swing worth factoring into travel timing.

On the multi-year calendar, LGA–DCA peaks in March at 86.2% on-time ; the softest month is December at 79.4%, a 6.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does LGA to DCA rank among US routes by traffic?
According to PlainFlights' route traffic ranking, LGA to DCA ranks #146 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from LGA to DCA?
Flights from New York to Washington have a 82.8% on-time rate based on 28,793 flights. The average delay is 79.8 minutes. The best recent month was Mar 2024 with 92% on-time.
What is the cancellation rate for LGA to DCA?
Over the last 24 months, 3.6% of flights on this route were cancelled (320 of 8,974 flights) and 0.1% were diverted.
How far is the flight from LGA to DCA?
The flight distance from New York (LGA) to Washington (DCA) is approximately 214 miles. This route is served by 7 carriers.
When is the best time to fly from LGA to DCA?
The best recent month for on-time performance was Mar 2024 (92% on-time). The worst was Dec 2025 (57% on-time). Consider booking during months with historically better performance.

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.

Using LGA–DCA data

LGA–DCA runs 3.8 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare LGA and DCA airport profiles: delay causes and top routes differ even on the same corridor. LGA airport
  • If your dates flex, March (86.2% on-time) beats December (79.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 82.8% 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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.