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Route · LAS → DCA · 2020–2025 BTS data

Las Vegas to Washington

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LAS to DCA (Las Vegas to Washington) ranks #3824 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

76.7%
On-time
-2.3 pts
vs US avg
87 min
Delay when late
1,995
Flights
#3824 of 4927
Corpus placement

Cancelled

0.4%

Best Month

Aug 2025 84%

Worst Month

Jul 2025 61%

Distance

2,089 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 62 12 0 0 WN,AA
Nov 2025 60 13 1 0 AA,WN
Oct 2025 62 21 0 0 AA,WN
Sep 2025 60 18 0 0 WN,AA
Aug 2025 62 10 0 2 AA,WN
Jul 2025 62 24 0 4 AA,WN
Jun 2025 60 18 0 2 AA,WN
May 2025 62 18 0 2 AA,WN
Apr 2025 60 13 0 0 WN,AA
Mar 2025 59 15 0 4 AA,WN
Feb 2025 38 7 0 1 AA,WN
Jan 2025 31 1 2 0 AA
Dec 2024 31 3 0 1 AA
Nov 2024 30 3 0 0 AA
Oct 2024 31 1 0 0 AA
Sep 2024 30 2 0 1 AA
Aug 2024 31 6 0 1 AA
Jul 2024 31 6 0 2 AA
Jun 2024 30 10 0 2 AA
May 2024 31 6 0 0 AA
Apr 2024 30 2 0 0 AA
Mar 2024 31 8 0 0 AA
Jan 2024 31 7 1 0 AA
Dec 2023 31 6 0 0 AA

LAS–DCA seasonal on-time pattern

Best: April (83.3%) · weakest: June (70.0%)

65%70%75%80%85% JanFebMarAprMayJunJulAugSepOctNovDec 77.4%

Strongest calendar month

April

83.3% on-time · ~35 flights/mo

Busiest calendar month

December

~39 flights/mo avg

Weakest calendar month

June

70.0% on-time · ~36 flights/mo

Cancellation Rate

0.4%

4 of 1,046 flights

Diversion Rate

2.1%

22 of 1,046 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

LAS - Las Vegas

Full on-time, delay-cause, and seasonal performance for Las Vegas, NV.

LAS on-time profile

DCA - Washington

Full on-time, delay-cause, and seasonal performance for Washington, DC.

DCA on-time profile

Compare the two airports

See LAS and DCA side by side on delays, cancellations, and reliability.

Compare LAS vs DCA

Origin-hub reliability standing

Mid-pack among LAS departures

From LAS, this corridor sits with 71 other 75–85% on-time routes out of 83 tracked departures, not the hub's reliability leaders (2 at ≥85%) and not the softest ( 10 below 75%). Destination: Washington · fleet on-time rank #4167 of 4927.

What the Data Says About LAS to DCA

The Las Vegas to Washington corridor (LAS to DCA) posts a 76.7% on-time rate on the lower edge of the average band, based on 1,995 tracked flights. Late flights run 86.7 minutes behind on average. 3 carriers cover the 2,089-mile route; over the last 24 months, 4 of 1,046 flights were cancelled (0.4%) and 2.1% diverted.

The monthly split is wide on this route: Aug 2025 posted the strongest performance at 84% on-time, while Jul 2025 came in at just 61% - a 23-point swing worth factoring into travel timing.

On the multi-year calendar, LAS–DCA peaks in April at 83.3% on-time while December carries the heaviest traffic (~39 flights per month) ; the softest month is June at 70.0%, a 13.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does LAS to DCA rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, LAS to DCA ranks #3824 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 LAS to DCA? ▼
Flights from Las Vegas to Washington have a 76.7% on-time rate based on 1,995 flights. The average delay is 86.7 minutes. The best recent month was Aug 2025 with 84% on-time.
What is the cancellation rate for LAS to DCA? ▼
Over the last 24 months, 0.4% of flights on this route were cancelled (4 of 1,046 flights) and 2.1% were diverted.
How far is the flight from LAS to DCA? ▼
The flight distance from Las Vegas (LAS) to Washington (DCA) is approximately 2,089 miles. This route is served by 3 carriers.
When is the best time to fly from LAS to DCA? ▼
The best recent month for on-time performance was Aug 2025 (84% on-time). The worst was Jul 2025 (61% on-time). Consider booking during months with historically better performance.

Airports on this route

LAS Airport

Las Vegas
DCA Airport

Washington
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 LAS–DCA data

LAS–DCA is mid-pack at 76.7% on-time; month and carrier mix move more than the corridor headline.

  • Compare LAS and DCA airport profiles: delay causes and top routes differ even on the same corridor. LAS airport
  • If your dates flex, April (83.3% on-time) beats June (70.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 76.7% 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.