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Route · IAD → CVG · 2020–2025 BTS data

Washington to Cincinnati

The IAD–CVG corridor (Washington, DC → Cincinnati, OH) runs ahead of the national average, served by 6 carriers across roughly 388 miles.

Data updated 2026-06-13

85.2%
On-time
+6.2 pts
vs US avg
79 min
Delay when late
1,945
Flights

Cancelled

0.9%

Best Month

Oct 2022 90%

Worst Month

Dec 2025 68%

Distance

388 mi

Carriers

6

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 57 18 0 0 YX
Nov 2025 85 16 3 0 YX
Oct 2025 59 12 0 0 YX
Sep 2025 50 3 0 0 YX
Aug 2025 55 10 1 0 YX
Jul 2025 30 5 0 0 YX
Jun 2025 45 9 0 1 YX
May 2025 41 3 0 0 YX
Apr 2025 30 1 0 0 YX
Mar 2025 33 4 0 0 YX
Dec 2024 46 2 0 0 YX
Nov 2024 30 2 0 0 YX
Oct 2024 30 0 0 0 YX
Sep 2024 30 1 0 0 YX
Aug 2024 53 6 4 0 YX
Jul 2024 31 2 1 0 YX
Jun 2024 30 3 0 0 YX
May 2024 31 3 0 0 YX,UA
Apr 2024 34 4 0 0 YX
Mar 2024 31 2 0 0 YX
Jan 2024 40 8 0 0 YX
Oct 2022 58 6 0 0 YX,YV
Sep 2022 50 9 0 0 YV,YX
Apr 2022 90 17 1 1 YV,YX

Cancellation Rate

0.9%

10 of 1,069 flights

Diversion Rate

0.2%

2 of 1,069 flights

What the Data Says About IAD to CVG

Washington to Cincinnati (IAD to CVG) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.2% on-time rate across 1,945 flights, with delays that do happen averaging 78.7 minutes. The corridor runs roughly 388 miles and is served by 6 carriers. Over the most recent 24 months, 10 of 1,069 flights were cancelled (0.9%) and 2 diverted (0.2%).

The monthly split is wide on this route: Oct 2022 posted the strongest performance at 90% on-time, while Dec 2025 came in at just 68% - a 21-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from IAD to CVG?
Flights from Washington to Cincinnati have a 85.2% on-time rate based on 1,945 flights. The average delay is 78.7 minutes. The best recent month was Oct 2022 with 90% on-time.
What is the cancellation rate for IAD to CVG?
Over the last 24 months, 0.9% of flights on this route were cancelled (10 of 1,069 flights) and 0.2% were diverted.
How far is the flight from IAD to CVG?
The flight distance from Washington (IAD) to Cincinnati (CVG) is approximately 388 miles. This route is served by 6 carriers.
When is the best time to fly from IAD to CVG?
The best recent month for on-time performance was Oct 2022 (90% on-time). The worst was Dec 2025 (68% on-time). Consider booking during months with historically better performance.

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Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

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 Editorial

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.