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Route · ATL → DCA · 2020–2025 BTS data

Atlanta to Washington

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ATL to DCA (Atlanta to Washington) ranks #62 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

79.9%
On-time
+0.9 pts
vs US avg
70 min
Delay when late
35,757
Flights
#62 of 4927
Corpus placement

Cancelled

2.1%

Best Month

Oct 2024 87%

Worst Month

Feb 2025 57%

Distance

547 mi

Carriers

42

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 543 181 20 1 DL,YX,OH,WN,MQ
Nov 2025 544 157 18 5 DL,MQ,OH,AA,WN,YX
Oct 2025 582 129 1 0 AA,DL,OH,WN,YX,MQ
Sep 2025 592 118 2 0 OH,WN,DL,YX,AA
Aug 2025 583 149 9 4 AA,WN,YX,MQ,OH,DL
Jul 2025 582 233 44 6 AA,DL,OH,WN,YX,MQ
Jun 2025 567 213 27 7 AA,DL,OH,WN,YX,MQ
May 2025 592 203 7 4 AA,DL,OH,WN,YX
Apr 2025 579 165 8 0 DL,MQ,OH,WN,YX
Mar 2025 586 172 5 3 DL,OH,WN,YX,MQ
Feb 2025 531 227 12 2 DL,OH,WN,YX,MQ
Jan 2025 591 136 56 4 DL,OH,WN,YX,MQ
Dec 2024 574 157 2 0 DL,OH,WN,YX
Nov 2024 566 90 0 2 WN,YX,DL,OH,AA
Oct 2024 591 78 0 0 DL,YX,WN,AA,OH
Sep 2024 559 92 3 3 WN,YX,OH,DL
Aug 2024 564 139 10 1 AA,DL,OH,WN,YX
Jul 2024 591 201 40 10 AA,DL,OH,WN,YX
Jun 2024 563 132 1 3 AA,DL,OH,WN,YX
May 2024 588 184 2 1 DL,MQ,OH,WN,YX
Apr 2024 567 134 1 1 DL,MQ,OH,WN,YX
Mar 2024 583 110 0 0 AA,DL,OH,WN,YX
Feb 2024 550 73 0 2 DL,OH,WN,YX
Jan 2024 572 101 17 5 DL,WN,YX,OH

ATL–DCA seasonal on-time pattern

Best: September (86.2%) · weakest: July (69.6%)

65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 77.6%

Strongest calendar month

September

86.2% on-time · ~498 flights/mo

Busiest calendar month

March

~531 flights/mo avg

Weakest calendar month

July

69.6% on-time · ~502 flights/mo

Cancellation Rate

2.1%

285 of 13,740 flights

Diversion Rate

0.5%

64 of 13,740 flights

Origin-hub reliability standing

Mid-pack among ATL departures

From ATL, this corridor sits with 75 other 75–85% on-time routes out of 144 tracked departures, not the hub's reliability leaders (67 at ≥85%) and not the softest ( 2 below 75%). Destination: Washington · fleet on-time rank #3166 of 4927.

What the Data Says About ATL to DCA

35,757 tracked flights put the ATL to DCA pairing (Atlanta to Washington) at a 79.9% on-time rate, squarely in line with the wider network. Delays that do occur run 69.5 minutes on average. Across the 547-mile route and its 42 carriers, the trailing 24 months show 2.1% cancelled and 0.5% diverted (13,740 flights sampled).

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 87% on-time, while Feb 2025 came in at just 57% - a 30-point swing worth factoring into travel timing.

On the multi-year calendar, ATL–DCA peaks in September at 86.2% on-time while March carries the heaviest traffic (~531 flights per month) ; the softest month is July at 69.6%, a 16.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does ATL to DCA rank among US routes by traffic?
According to PlainFlights' route traffic ranking, ATL to DCA ranks #62 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 ATL to DCA?
Flights from Atlanta to Washington have a 79.9% on-time rate based on 35,757 flights. The average delay is 69.5 minutes. The best recent month was Oct 2024 with 87% on-time.
What is the cancellation rate for ATL to DCA?
Over the last 24 months, 2.1% of flights on this route were cancelled (285 of 13,740 flights) and 0.5% were diverted.
How far is the flight from ATL to DCA?
The flight distance from Atlanta (ATL) to Washington (DCA) is approximately 547 miles. This route is served by 42 carriers.
When is the best time to fly from ATL to DCA?
The best recent month for on-time performance was Oct 2024 (87% on-time). The worst was Feb 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 ATL–DCA data

ATL–DCA is mid-pack at 79.9% on-time; month and carrier mix move more than the corridor headline.

  • Compare ATL and DCA airport profiles: delay causes and top routes differ even on the same corridor. ATL airport
  • If your dates flex, September (86.2% on-time) beats July (69.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 79.9% 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.