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Route · DEN → LGB · 2020–2025 BTS data

Denver to Long Beach

The DEN–LGB corridor (Denver, CO → Long Beach, CA) runs behind the national average, served by 1 carrier across roughly 854 miles.

Data updated 2026-06-13

76.6%
On-time
-2.4 pts
vs US avg
51 min
Delay when late
5,718
Flights

Cancelled

0.6%

Best Month

Oct 2024 91%

Worst Month

Oct 2025 59%

Distance

854 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 81 25 1 1 WN
Nov 2025 81 22 0 0 WN
Oct 2025 80 33 1 0 WN
Sep 2025 86 25 0 0 WN
Aug 2025 89 19 0 0 WN
Jul 2025 97 32 2 0 WN
Jun 2025 92 33 1 0 WN
May 2025 90 25 0 0 WN
Apr 2025 86 20 0 0 WN
Mar 2025 95 14 0 0 WN
Feb 2025 70 15 0 1 WN
Jan 2025 70 9 0 1 WN
Dec 2024 81 15 0 2 WN
Nov 2024 82 16 2 0 WN
Oct 2024 88 8 0 0 WN
Sep 2024 85 11 0 0 WN
Aug 2024 90 21 0 0 WN
Jul 2024 97 23 0 0 WN
Jun 2024 95 26 0 0 WN
May 2024 96 26 1 0 WN
Apr 2024 94 19 0 0 WN
Mar 2024 98 23 2 0 WN
Feb 2024 91 24 0 0 WN
Jan 2024 97 19 3 0 WN

Cancellation Rate

0.6%

13 of 2,111 flights

Diversion Rate

0.2%

5 of 2,111 flights

What the Data Says About DEN to LGB

The Denver to Long Beach corridor (DEN to LGB) posts a 76.6% on-time rate on the lower edge of the average band, based on 5,718 tracked flights. Late flights run 51.3 minutes behind on average. 1 carrier cover the 854-mile route; over the last 24 months, 13 of 2,111 flights were cancelled (0.6%) and 0.2% diverted.

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 91% on-time, while Oct 2025 came in at just 59% - a 32-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from DEN to LGB?
Flights from Denver to Long Beach have a 76.6% on-time rate based on 5,718 flights. The average delay is 51.3 minutes. The best recent month was Oct 2024 with 91% on-time.
What is the cancellation rate for DEN to LGB?
Over the last 24 months, 0.6% of flights on this route were cancelled (13 of 2,111 flights) and 0.2% were diverted.
How far is the flight from DEN to LGB?
The flight distance from Denver (DEN) to Long Beach (LGB) is approximately 854 miles. This route is served by 1 carrier.
When is the best time to fly from DEN to LGB?
The best recent month for on-time performance was Oct 2024 (91% on-time). The worst was Oct 2025 (59% 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.