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Route · CLE → DEN · 2020–2025 BTS data

Cleveland to Denver

The CLE–DEN corridor (Cleveland, OH → Denver, CO) runs ahead of the national average, served by 11 carriers across roughly 1,201 miles.

Data updated 2026-06-13

84.1%
On-time
+5.1 pts
vs US avg
69 min
Delay when late
10,355
Flights

Cancelled

0.5%

Best Month

Oct 2024 93%

Worst Month

Jun 2025 70%

Distance

1,201 mi

Carriers

11

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 166 38 1 0 WN,F9,UA
Nov 2025 152 16 1 0 UA,F9,WN
Oct 2025 158 28 1 0 UA,WN,F9
Sep 2025 163 19 1 0 UA,WN,F9
Aug 2025 177 43 1 1 WN,F9,UA
Jul 2025 186 39 0 5 UA,WN,F9
Jun 2025 175 53 0 1 UA,WN,F9
May 2025 160 35 0 1 UA,WN,F9
Apr 2025 153 28 1 1 F9,UA,WN
Mar 2025 121 14 1 0 UA,WN,F9
Feb 2025 101 24 0 1 UA,WN,F9
Jan 2025 126 35 0 0 UA,WN,F9
Dec 2024 157 19 0 0 F9,UA,WN
Nov 2024 150 21 0 0 UA,WN,F9
Oct 2024 151 11 0 0 UA,WN,F9
Sep 2024 162 12 0 0 WN,UA,F9
Aug 2024 177 32 0 1 F9,WN,UA
Jul 2024 180 50 2 0 F9,UA,WN
Jun 2024 174 47 1 0 F9,UA,WN
May 2024 169 37 0 0 F9,UA,WN
Apr 2024 136 27 1 0 F9,UA,WN
Mar 2024 143 21 3 0 F9,UA,WN
Feb 2024 127 14 0 1 F9,UA,WN
Jan 2024 134 26 3 1 F9,WN,UA

Cancellation Rate

0.5%

17 of 3,698 flights

Diversion Rate

0.4%

13 of 3,698 flights

What the Data Says About CLE to DEN

Bureau of Transportation Statistics records show Cleveland to Denver (CLE to DEN) running a 84.1% on-time rate over 10,355 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 69.0 minutes. The 1,201-mile corridor is served by 11 carriers, and over the last 24 months 0.5% of 3,698 flights were cancelled, 0.4% diverted.

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 93% on-time, while Jun 2025 came in at just 70% - a 23-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from CLE to DEN?
Flights from Cleveland to Denver have a 84.1% on-time rate based on 10,355 flights. The average delay is 69.0 minutes. The best recent month was Oct 2024 with 93% on-time.
What is the cancellation rate for CLE to DEN?
Over the last 24 months, 0.5% of flights on this route were cancelled (17 of 3,698 flights) and 0.4% were diverted.
How far is the flight from CLE to DEN?
The flight distance from Cleveland (CLE) to Denver (DEN) is approximately 1,201 miles. This route is served by 11 carriers.
When is the best time to fly from CLE to DEN?
The best recent month for on-time performance was Oct 2024 (93% on-time). The worst was Jun 2025 (70% 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.