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Route · CLE → IAH · 2020–2025 BTS data

Cleveland to Houston

The CLE–IAH corridor (Cleveland, OH → Houston, TX) runs ahead of the national average, served by 16 carriers across roughly 1,091 miles.

Data updated 2026-06-13

86.3%
On-time
+7.3 pts
vs US avg
67 min
Delay when late
5,745
Flights

Cancelled

1.1%

Best Month

Sep 2024 98%

Worst Month

May 2024 69%

Distance

1,091 mi

Carriers

16

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 61 12 0 0 UA
Nov 2025 60 6 0 0 UA
Oct 2025 62 5 0 0 UA
Sep 2025 60 2 0 0 UA
Aug 2025 80 7 0 0 UA
Jul 2025 88 16 0 0 UA
Jun 2025 90 19 2 1 UA
May 2025 91 18 1 0 UA
Apr 2025 86 8 0 0 UA
Mar 2025 92 8 0 0 UA
Feb 2025 76 14 0 0 UA
Jan 2025 82 14 3 0 UA
Dec 2024 86 13 0 0 OO,UA
Nov 2024 99 5 0 0 OO,UA
Oct 2024 118 7 0 0 UA,OO,F9
Sep 2024 121 2 1 0 UA,F9
Aug 2024 124 14 0 0 F9,UA
Jul 2024 110 30 7 1 F9,UA
Jun 2024 124 25 3 2 F9,UA
May 2024 110 34 1 2 F9,UA
Apr 2024 86 11 1 0 UA
Mar 2024 89 14 0 0 UA
Feb 2024 87 5 1 0 UA
Jan 2024 92 25 3 0 UA

Cancellation Rate

1.1%

23 of 2,174 flights

Diversion Rate

0.3%

6 of 2,174 flights

What the Data Says About CLE to IAH

Cleveland to Houston (CLE to IAH) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.3% on-time rate across 5,745 flights, with delays that do happen averaging 67.3 minutes. The corridor runs roughly 1,091 miles and is served by 16 carriers. Over the most recent 24 months, 23 of 2,174 flights were cancelled (1.1%) and 6 diverted (0.3%).

The monthly split is wide on this route: Sep 2024 posted the strongest performance at 98% on-time, while May 2024 came in at just 69% - a 29-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from CLE to IAH?
Flights from Cleveland to Houston have a 86.3% on-time rate based on 5,745 flights. The average delay is 67.3 minutes. The best recent month was Sep 2024 with 98% on-time.
What is the cancellation rate for CLE to IAH?
Over the last 24 months, 1.1% of flights on this route were cancelled (23 of 2,174 flights) and 0.3% were diverted.
How far is the flight from CLE to IAH?
The flight distance from Cleveland (CLE) to Houston (IAH) is approximately 1,091 miles. This route is served by 16 carriers.
When is the best time to fly from CLE to IAH?
The best recent month for on-time performance was Sep 2024 (98% on-time). The worst was May 2024 (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.