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Route · CVG → IAD · 2020–2025 BTS data

Cincinnati to Washington

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

Data updated 2026-06-13

88.8%
On-time
+9.8 pts
vs US avg
78 min
Delay when late
2,155
Flights

Cancelled

0.8%

Best Month

Oct 2025 93%

Worst Month

Dec 2025 69%

Distance

388 mi

Carriers

6

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 70 22 0 0 YX
Nov 2025 86 9 4 0 YX
Oct 2025 56 4 0 0 YX
Sep 2025 50 4 0 0 YX
Aug 2025 54 4 1 0 YX
Jul 2025 31 1 0 0 YX
Jun 2025 46 15 0 0 YX
May 2025 43 2 0 0 YX
Apr 2025 30 1 0 0 YX
Mar 2025 32 2 0 0 YX
Dec 2024 46 6 0 0 YX
Nov 2024 30 2 0 0 YX
Oct 2024 31 3 0 0 YX
Sep 2024 30 1 0 0 YX
Aug 2024 53 4 3 0 YX,UA
Jun 2024 30 1 0 0 YX
May 2024 31 2 0 0 YX
Apr 2024 34 1 0 0 YX
Mar 2024 32 1 0 0 YX
Jan 2024 40 6 0 0 YX
Dec 2023 40 3 0 0 YX
Nov 2023 30 2 0 0 YX
Oct 2023 30 2 0 0 YX
Sep 2023 30 0 0 0 YX

Cancellation Rate

0.8%

8 of 985 flights

Diversion Rate

0.0%

0 of 985 flights

What the Data Says About CVG to IAD

Cincinnati to Washington (CVG to IAD) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88.8% on-time rate across 2,155 flights, with delays that do happen averaging 78.4 minutes. The corridor runs roughly 388 miles and is served by 6 carriers. Over the most recent 24 months, 8 of 985 flights were cancelled (0.8%) and 0 diverted (0.0%).

The monthly split is wide on this route: Oct 2025 posted the strongest performance at 93% on-time, while Dec 2025 came in at just 69% - a 24-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from CVG to IAD?
Flights from Cincinnati to Washington have a 88.8% on-time rate based on 2,155 flights. The average delay is 78.4 minutes. The best recent month was Oct 2025 with 93% on-time.
What is the cancellation rate for CVG to IAD?
Over the last 24 months, 0.8% of flights on this route were cancelled (8 of 985 flights) and 0.0% were diverted.
How far is the flight from CVG to IAD?
The flight distance from Cincinnati (CVG) to Washington (IAD) is approximately 388 miles. This route is served by 6 carriers.
When is the best time to fly from CVG to IAD?
The best recent month for on-time performance was Oct 2025 (93% on-time). The worst was Dec 2025 (69% 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.