PlainFlights

Route · EYW → DCA · 2020–2025 BTS data

Key West to Washington

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), EYW to DCA (Key West to Washington) ranks #3543 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

76.2%
On-time
-2.8 pts
vs US avg
65 min
Delay when late
2,500
Flights
#3543 of 4927
Corpus placement

Cancelled

1.7%

Best Month

Dec 2025 84%

Worst Month

Feb 2025 66%

Distance

1,023 mi

Carriers

7

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 61 10 0 0 YX,MQ
Nov 2025 59 14 0 0 MQ,YX
Oct 2025 35 9 0 0 AA,YX
Sep 2025 34 6 1 1 YX
Aug 2025 31 4 0 0 YX,MQ
Jul 2025 31 7 0 1 YX,MQ
Jun 2025 30 6 0 0 YX,MQ
May 2025 39 10 0 0 YX,MQ
Apr 2025 60 11 0 0 MQ,YX
Mar 2025 62 16 3 2 YX,MQ
Feb 2025 56 19 2 3 YX,MQ
Jan 2025 62 12 5 0 YX,MQ
Dec 2024 59 14 2 0 MQ,YX
Nov 2024 55 10 0 0 YX,MQ,AA
Oct 2024 31 3 1 0 YX
Sep 2024 30 1 1 0 YX
Aug 2024 31 8 2 2 YX
Jul 2024 31 7 0 0 YX
Jun 2024 30 7 0 0 AA,YX
May 2024 36 8 0 0 AA,MQ,YX
Apr 2024 60 12 0 1 MQ,YX
Mar 2024 62 20 1 0 YX
Feb 2024 58 16 0 4 MQ,YX
Jan 2024 62 13 1 0 MQ,YX

EYW–DCA seasonal on-time pattern

Best: September (88.7%) · weakest: June (67.2%)

65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 73.4%

Strongest calendar month

September

88.7% on-time · ~31 flights/mo

Busiest calendar month

November

~51 flights/mo avg

Weakest calendar month

June

67.2% on-time · ~36 flights/mo

Cancellation Rate

1.7%

19 of 1,105 flights

Diversion Rate

1.3%

14 of 1,105 flights

Origin-hub reliability standing

Mid-pack among EYW departures

From EYW, this corridor sits with 5 other 75–85% on-time routes out of 11 tracked departures, not the hub's reliability leaders (0 at ≥85%) and not the softest ( 6 below 75%). Destination: Washington · fleet on-time rank #4269 of 4927.

What the Data Says About EYW to DCA

The Key West to Washington corridor (EYW to DCA) posts a 76.2% on-time rate on the lower edge of the average band, based on 2,500 tracked flights. Late flights run 64.8 minutes behind on average. 7 carriers cover the 1,023-mile route; over the last 24 months, 19 of 1,105 flights were cancelled (1.7%) and 1.3% diverted.

The monthly split is wide on this route: Dec 2025 posted the strongest performance at 84% on-time, while Feb 2025 came in at just 66% - a 18-point swing worth factoring into travel timing.

On the multi-year calendar, EYW–DCA peaks in September at 88.7% on-time while November carries the heaviest traffic (~51 flights per month) ; the softest month is June at 67.2%, a 21.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does EYW to DCA rank among US routes by traffic?
According to PlainFlights' route traffic ranking, EYW to DCA ranks #3543 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 EYW to DCA?
Flights from Key West to Washington have a 76.2% on-time rate based on 2,500 flights. The average delay is 64.8 minutes. The best recent month was Dec 2025 with 84% on-time.
What is the cancellation rate for EYW to DCA?
Over the last 24 months, 1.7% of flights on this route were cancelled (19 of 1,105 flights) and 1.3% were diverted.
How far is the flight from EYW to DCA?
The flight distance from Key West (EYW) to Washington (DCA) is approximately 1,023 miles. This route is served by 7 carriers.
When is the best time to fly from EYW to DCA?
The best recent month for on-time performance was Dec 2025 (84% on-time). The worst was Feb 2025 (66% 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 EYW–DCA data

EYW–DCA is mid-pack at 76.2% on-time; month and carrier mix move more than the corridor headline.

  • Compare EYW and DCA airport profiles: delay causes and top routes differ even on the same corridor. EYW airport
  • If your dates flex, September (88.7% on-time) beats June (67.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 76.2% 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.