BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
LAX→DEN

Los Angeles, CA (LAX) to Denver, CO (DEN) flight delay odds

81.0% of 7,721 official scheduled LAX-to-DEN flights arrived on time; 12.0% arrived at least 30 minutes late and 0.5% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
81.0%arrived on time
12.0%30+ min late
0.5%cancelled
7,721scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.3%all scheduled flights
120+ minutes late2.3%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+2.9 mincompleted flights

Which departure time was most reliable for LAX to DEN?

Among qualifying LAX-to-DEN departure window results, Early morning had the highest on-time rate: 89.8% of 2,614 flights. Afternoon was lowest at 72.7% across 2,782 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning2,61489.8%5.9%0.5%
Late morning89485.0%7.5%0.2%
Afternoon2,78272.7%18.6%0.5%
Evening1,39379.4%12.3%0.6%

Which weekday was most reliable for LAX to DEN?

Among qualifying LAX-to-DEN weekday results, Sunday had the highest on-time rate: 83.0% of 1,124 flights. Friday was lowest at 79.3% across 1,154 flights.

DayFlightsOn time30+ minCancelled
Monday1,14779.9%13.4%0.5%
Tuesday1,05982.5%11.8%0.5%
Wednesday1,07282.6%10.5%0.2%
Thursday1,13479.6%11.6%0.6%
Friday1,15479.3%12.9%1.0%
Saturday1,03180.2%12.7%0.4%
Sunday1,12483.0%10.7%0.3%

Which airline was most reliable for LAX to DEN?

Among qualifying LAX-to-DEN airline results, United Airlines had the highest on-time rate: 86.6% of 3,067 flights. Southwest Airlines was lowest at 73.5% across 1,917 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines3,06786.6%9.0%0.1%
Southwest Airlines1,91773.5%15.6%0.5%
SkyWest Airlines1,23180.3%12.2%0.8%
Frontier Airlines76281.2%12.3%0.8%
Delta Air Lines74478.1%14.2%1.5%

Which month was most reliable for LAX to DEN?

Among qualifying LAX-to-DEN month results, April 2026 had the highest on-time rate: 88.6% of 631 flights. July 2025 was lowest at 71.3% across 680 flights.

MonthFlightsOn time30+ minCancelled
July 202568071.3%19.1%1.0%
August 202565873.9%17.6%0.6%
September 202564980.7%13.6%0.3%
October 202568385.8%9.4%0.0%
November 202564884.1%8.0%2.3%
December 202565179.6%13.1%0.5%
January 202660088.3%5.7%0.0%
February 202655082.0%10.5%0.5%
March 202663078.4%14.0%0.2%
April 202663188.6%6.5%0.2%
May 202668783.8%10.6%0.0%
June 202665476.6%14.5%0.5%

What drove LAX to DEN delay minutes?

Late aircraft was the largest recorded LAX-to-DEN delay category, accounting for 34.0% of 91,210 BTS-attributed delay minutes during July 2025–June 2026.

Airline33.6%
Late aircraft34.0%
National airspace30.1%
Weather2.1%
Security0.1%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.