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Route · LAX → DEN · 2020–2025 BTS data

Los Angeles to Denver

The LAX–DEN corridor (Los Angeles, CA → Denver, CO) runs ahead of the national average, served by 39 carriers across roughly 862 miles.

Data updated 2026-06-13

84.3%
On-time
+5.3 pts
vs US avg
68 min
Delay when late
42,014
Flights

Cancelled

0.8%

Best Month

Dec 2024 91%

Worst Month

Jul 2025 73%

Distance

862 mi

Carriers

39

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 651 127 3 3 DL,WN,F9,UA,OO
Nov 2025 648 88 15 0 OO,UA,DL,F9,WN
Oct 2025 683 96 0 1 OO,UA,WN,DL,F9
Sep 2025 649 123 2 0 UA,WN,OO,DL,F9
Aug 2025 658 162 4 6 OO,WN,F9,UA,DL
Jul 2025 680 181 7 7 OO,UA,WN,DL,F9
Jun 2025 662 156 3 3 OO,UA,WN,DL,F9
May 2025 691 172 3 4 OO,UA,WN,DL,F9
Apr 2025 644 120 1 1 DL,F9,OO,UA,WN
Mar 2025 651 67 3 0 OO,UA,WN,DL,F9
Feb 2025 577 79 2 2 OO,UA,WN,DL,F9
Jan 2025 633 83 1 0 OO,UA,WN,DL,F9
Dec 2024 677 58 1 0 DL,F9,OO,UA,WN
Nov 2024 658 95 4 0 OO,UA,WN,DL,F9
Oct 2024 688 61 2 0 UA,OO,WN,DL,F9
Sep 2024 668 71 0 0 WN,OO,UA,DL,F9
Aug 2024 679 117 3 1 DL,F9,WN,OO,UA
Jul 2024 670 162 17 5 DL,F9,OO,UA,WN
Jun 2024 631 166 1 4 DL,F9,OO,UA,WN
May 2024 650 149 4 1 DL,F9,OO,UA,WN
Apr 2024 637 102 1 1 DL,F9,OO,UA,WN
Mar 2024 611 105 11 0 DL,OO,UA,WN
Feb 2024 534 79 2 0 DL,OO,UA,WN
Jan 2024 585 77 41 0 DL,WN,OO,UA

Cancellation Rate

0.8%

131 of 15,515 flights

Diversion Rate

0.3%

39 of 15,515 flights

What the Data Says About LAX to DEN

Bureau of Transportation Statistics records show Los Angeles to Denver (LAX to DEN) running a 84.3% on-time rate over 42,014 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 68.1 minutes. The 862-mile corridor is served by 39 carriers, and over the last 24 months 0.8% of 15,515 flights were cancelled, 0.3% diverted.

The monthly split is wide on this route: Dec 2024 posted the strongest performance at 91% on-time, while Jul 2025 came in at just 73% - a 18-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from LAX to DEN?
Flights from Los Angeles to Denver have a 84.3% on-time rate based on 42,014 flights. The average delay is 68.1 minutes. The best recent month was Dec 2024 with 91% on-time.
What is the cancellation rate for LAX to DEN?
Over the last 24 months, 0.8% of flights on this route were cancelled (131 of 15,515 flights) and 0.3% were diverted.
How far is the flight from LAX to DEN?
The flight distance from Los Angeles (LAX) to Denver (DEN) is approximately 862 miles. This route is served by 39 carriers.
When is the best time to fly from LAX to DEN?
The best recent month for on-time performance was Dec 2024 (91% on-time). The worst was Jul 2025 (73% 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.