PlainFlights

Route · DCA → DAY · 2020–2025 BTS data

Washington to Dayton

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DCA to DAY (Washington to Dayton) ranks #2233 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

77.3%
On-time
-1.7 pts
vs US avg
84 min
Delay when late
5,609
Flights
#2233 of 4927
Corpus placement

Cancelled

3.3%

Best Month

Oct 2024 90%

Worst Month

Dec 2025 52%

Distance

391 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 63 30 1 0 OH
Nov 2025 84 29 4 0 OH
Oct 2025 91 31 0 0 OH
Sep 2025 86 16 0 0 OH
Aug 2025 81 21 4 0 OH
Jul 2025 80 32 10 0 OH
Jun 2025 91 36 5 0 OH,YX
May 2025 118 43 4 0 OH,YX
Apr 2025 111 27 1 0 OH
Mar 2025 109 31 2 0 OH
Feb 2025 100 42 13 0 OH
Jan 2025 102 35 10 0 OH
Dec 2024 87 33 1 0 OH
Nov 2024 101 13 0 0 OH
Oct 2024 88 9 0 0 OH
Sep 2024 85 10 3 0 OH
Aug 2024 79 22 3 0 OH
Jul 2024 78 20 2 0 OH
Jun 2024 79 17 1 0 OH
May 2024 112 33 1 0 OH
Apr 2024 107 26 2 1 OH,YX
Mar 2024 108 13 1 0 OH,YX
Feb 2024 103 15 0 0 OH,YX
Jan 2024 103 19 5 0 OH

DCA–DAY seasonal on-time pattern

Best: September (87.0%) · weakest: July (70.6%)

65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 77.9%

Strongest calendar month

September

87.0% on-time · ~92 flights/mo

Busiest calendar month

March

~104 flights/mo avg

Weakest calendar month

July

70.6% on-time · ~74 flights/mo

Cancellation Rate

3.3%

73 of 2,246 flights

Diversion Rate

0.0%

1 of 2,246 flights

Explore origin & destination

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

DCA - Washington

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

DCA on-time profile

DAY - Dayton

Full on-time, delay-cause, and seasonal performance for Dayton, OH.

DAY on-time profile

Compare the two airports

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

Compare DCA vs DAY

Origin-hub reliability standing

Mid-pack among DCA departures

From DCA, this corridor sits with 77 other 75–85% on-time routes out of 91 tracked departures, not the hub's reliability leaders (4 at ≥85%) and not the softest ( 10 below 75%). Destination: Dayton · fleet on-time rank #4015 of 4927.

What the Data Says About DCA to DAY

The Washington to Dayton corridor (DCA to DAY) posts a 77.3% on-time rate on the lower edge of the average band, based on 5,609 tracked flights. Late flights run 83.9 minutes behind on average. 3 carriers cover the 391-mile route; over the last 24 months, 73 of 2,246 flights were cancelled (3.3%) and 0.0% diverted.

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 90% on-time, while Dec 2025 came in at just 52% - a 37-point swing worth factoring into travel timing.

On the multi-year calendar, DCA–DAY peaks in September at 87.0% on-time while March carries the heaviest traffic (~104 flights per month) ; the softest month is July at 70.6%, a 16.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does DCA to DAY rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, DCA to DAY ranks #2233 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 DCA to DAY? ▼
Flights from Washington to Dayton have a 77.3% on-time rate based on 5,609 flights. The average delay is 83.9 minutes. The best recent month was Oct 2024 with 90% on-time.
What is the cancellation rate for DCA to DAY? ▼
Over the last 24 months, 3.3% of flights on this route were cancelled (73 of 2,246 flights) and 0.0% were diverted.
How far is the flight from DCA to DAY? ▼
The flight distance from Washington (DCA) to Dayton (DAY) is approximately 391 miles. This route is served by 3 carriers.
When is the best time to fly from DCA to DAY? ▼
The best recent month for on-time performance was Oct 2024 (90% on-time). The worst was Dec 2025 (52% on-time). Consider booking during months with historically better performance.

Airports on this route

DCA Airport

Washington
DAY Airport

Dayton
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 DCA–DAY data

DCA–DAY is mid-pack at 77.3% on-time; month and carrier mix move more than the corridor headline.

  • Compare DCA and DAY airport profiles: delay causes and top routes differ even on the same corridor. DCA airport
  • If your dates flex, September (87.0% on-time) beats July (70.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 77.3% 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.