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Route · DEN → LGB · 2020–2025 BTS data

Denver to Long Beach

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DEN to LGB (Denver to Long Beach) ranks #2193 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

76.6%
On-time
-2.4 pts
vs US avg
51 min
Delay when late
5,718
Flights
#2193 of 4927
Corpus placement

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

DEN–LGB seasonal on-time pattern

Best: November (84.0%) · weakest: June (64.6%)

60%65%70%75%80%85% JanFebMarAprMayJunJulAugSepOctNovDec 78%

Strongest calendar month

November

84.0% on-time · ~83 flights/mo

Busiest calendar month

July

~99 flights/mo avg

Weakest calendar month

June

64.6% on-time · ~96 flights/mo

Cancellation Rate

0.6%

13 of 2,111 flights

Diversion Rate

0.2%

5 of 2,111 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

DEN - Denver

Full on-time, delay-cause, and seasonal performance for Denver, CO.

DEN on-time profile

LGB - Long Beach

Full on-time, delay-cause, and seasonal performance for Long Beach, CA.

LGB on-time profile

Compare the two airports

See DEN and LGB side by side on delays, cancellations, and reliability.

Compare DEN vs LGB

Origin-hub reliability standing

Mid-pack among DEN departures

From DEN, this corridor sits with 133 other 75–85% on-time routes out of 168 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 27 below 75%). Destination: Long Beach · fleet on-time rank #4179 of 4927.

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.

On the multi-year calendar, DEN–LGB peaks in November at 84.0% on-time while July carries the heaviest traffic (~99 flights per month) ; the softest month is June at 64.6%, a 19.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does DEN to LGB rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, DEN to LGB ranks #2193 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
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.

Airports on this route

DEN Airport

Denver
LGB Airport

Long Beach
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using DEN–LGB data

DEN–LGB is mid-pack at 76.6% on-time; month and carrier mix move more than the corridor headline.

  • Compare DEN and LGB airport profiles: delay causes and top routes differ even on the same corridor. DEN airport
  • If your dates flex, November (84.0% on-time) beats June (64.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 76.6% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

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

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.