DEN to LAX flight delays

DEN LAX Denver to Los Angeles · 862 miles

23,079 flights were scheduled from DEN to LAX over July 2023 through June 2026. Of the 22,909 that made the trip, 79.2% reached the gate less than 15 minutes behind schedule. These are arrival figures: “on time” means the flight reached the gate less than 15 minutes behind schedule. Arrivals are what decide whether you make the connection, so route and airline pages are scored on them rather than on pushback.

Data through June 2026 · Bureau of Transportation Statistics

The route in brief

Flights in the window
23,079
Arrived on time
79.2%
Cancelled
0.7%
Scheduled distance
862 miles

Cancellations are counted against everything scheduled. Diverted flights are counted with them rather than as very late arrivals, which is why the on-time share and the cancellation rate do not add up to everything that happened.

Airline by airline

Airlines with at least 100 flights on DEN–LAX, busiest first. Same route, same weather, same air traffic — which makes this the fairest comparison on the site.

Airline Arrived on time Typical delay Cancelled Flights
United Airlines 82.1% 64 min 0.7% 9,465
Southwest Airlines 72.3% 51 min 0.6% 6,180
SkyWest Airlines 82.9% 79 min 0.4% 3,245
Delta Air Lines 81.7% 87 min 0.8% 2,677
Frontier Airlines 76% 66 min 1.1% 1,510

Month by month

June was the month to avoid on DEN–LAX: 68.5% of flights arrived on time, against 85.4% in September. Each bar pools three years of that calendar month.

Share of flights that arrived on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 79.2%.
Arrival on-time share, DEN to LAX, by calendar month
Month Share flights that arrived on time Flights
January 81.4% 1,828
February 77.2% 1,675
March 83.8% 1,896
April 80.6% 1,926
May 76.1% 2,046
June 68.5% 1,948
July 69.4% 1,966
August 76.4% 1,974
September 85.4% 1,924
October 84.4% 2,010
November 83.1% 1,929
December 83.8% 1,957

Both ends of the route

A route’s record is built out of two airports’ habits. The hour-by-hour grid for each is on its own page.

DEN to LAX in one number

DEN → LAX

When a flight on this route was late, it was late by about 64 min.

July 2023–June 2026 · 23,079 flights

79.2% of flights arrived on time

Questions about DEN to LAX

Which airline is most reliable from DEN to LAX?
SkyWest Airlines — its flights on this pairing arrived on time 82.9% of the time, with 3,245 scheduled. Southwest Airlines came in at 72.3% over 6,180 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly DEN to LAX?
June, at 68.5% of arrivals on time, with 1,948 flights scheduled. September was the best of the year at 85.4%.
How late are DEN–LAX flights when they are late?
64 min on average, counting only the flights that arrived 15 minutes or more behind schedule. The on-time flights are left out of that average on purpose — mixing them in would flatter it.
How often is the DEN to LAX flight cancelled?
0.7% of scheduled flights on this route were cancelled, July 2023 through June 2026. Diverted flights are counted with the cancellations rather than as late arrivals.
Are these departure or arrival numbers?
Arrival. A flight counts as on time here if it reached the gate at LAX less than 15 minutes behind schedule. Airport pages score departures instead, because that is the number you can act on when you pick a booking time.