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Route · IAH → CVG · 2020–2025 BTS data

Houston to Cincinnati

The IAH–CVG corridor (Houston, TX → Cincinnati, OH) runs ahead of the national average, served by 18 carriers across roughly 871 miles.

Data updated 2026-06-13

80.1%
On-time
+1.1 pts
vs US avg
71 min
Delay when late
4,374
Flights

Cancelled

1.6%

Best Month

Dec 2023 84%

Worst Month

May 2024 54%

Distance

871 mi

Carriers

18

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 44 18 0 0 F9,UA
Nov 2025 69 19 0 0 UA,F9
Oct 2025 65 14 0 0 UA,F9
Sep 2025 66 16 0 0 UA,F9
Aug 2025 50 12 1 0 F9,UA
Jul 2025 39 13 1 0 UA,F9
Jun 2025 65 17 0 0 UA,F9
May 2025 68 15 1 0 UA,F9
Apr 2025 30 7 0 0 UA
Mar 2025 31 15 0 0 UA
Jan 2025 31 6 2 0 UA
Dec 2024 36 12 2 0 F9,UA
Nov 2024 44 9 0 0 UA,F9
Oct 2024 61 11 0 0 UA,F9
Sep 2024 67 19 0 0 UA,F9
Aug 2024 62 22 1 0 F9,OO,UA
Jul 2024 39 19 5 0 F9,UA
Jun 2024 50 17 0 0 F9,OO,UA
May 2024 61 28 4 0 F9,OO,UA
Apr 2024 60 14 0 0 UA
Mar 2024 31 15 1 0 UA
Feb 2024 31 4 0 0 UA
Jan 2024 39 10 1 0 UA
Dec 2023 62 10 0 0 UA

Cancellation Rate

1.6%

19 of 1,201 flights

Diversion Rate

0.0%

0 of 1,201 flights

What the Data Says About IAH to CVG

4,374 tracked flights put the IAH to CVG pairing (Houston to Cincinnati) at a 80.1% on-time rate, squarely in line with the wider network. Delays that do occur run 70.6 minutes on average. Across the 871-mile route and its 18 carriers, the trailing 24 months show 1.6% cancelled and 0.0% diverted (1,201 flights sampled).

The monthly split is wide on this route: Dec 2023 posted the strongest performance at 84% on-time, while May 2024 came in at just 54% - a 30-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from IAH to CVG?
Flights from Houston to Cincinnati have a 80.1% on-time rate based on 4,374 flights. The average delay is 70.6 minutes. The best recent month was Dec 2023 with 84% on-time.
What is the cancellation rate for IAH to CVG?
Over the last 24 months, 1.6% of flights on this route were cancelled (19 of 1,201 flights) and 0.0% were diverted.
How far is the flight from IAH to CVG?
The flight distance from Houston (IAH) to Cincinnati (CVG) is approximately 871 miles. This route is served by 18 carriers.
When is the best time to fly from IAH to CVG?
The best recent month for on-time performance was Dec 2023 (84% on-time). The worst was May 2024 (54% 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.