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

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

78.6% of 7,721 official scheduled DEN-to-LAX flights arrived on time; 13.0% 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 SIGNALGenerally reliable
78.6%arrived on time
13.0%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 late6.6%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+5.3 mincompleted flights

Which departure time was most reliable for DEN to LAX?

Among qualifying DEN-to-LAX departure window results, Early morning had the highest on-time rate: 89.5% of 1,602 flights. Evening was lowest at 67.5% across 2,135 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,60289.5%5.2%0.6%
Late morning1,27487.1%6.7%0.0%
Afternoon1,91380.2%11.1%0.4%
Evening2,13567.5%21.7%0.8%
Night79768.6%19.9%0.6%

Which weekday was most reliable for DEN to LAX?

Among qualifying DEN-to-LAX weekday results, Wednesday had the highest on-time rate: 82.5% of 1,058 flights. Sunday was lowest at 75.4% across 1,110 flights.

DayFlightsOn time30+ minCancelled
Monday1,16176.7%12.8%0.5%
Tuesday1,06180.4%12.3%0.4%
Wednesday1,05882.5%11.0%0.3%
Thursday1,13377.0%12.9%0.4%
Friday1,15776.8%13.7%1.1%
Saturday1,04181.7%12.1%0.5%
Sunday1,11075.4%16.1%0.4%

Which airline was most reliable for DEN to LAX?

Among qualifying DEN-to-LAX airline results, United Airlines had the highest on-time rate: 84.5% of 3,064 flights. Southwest Airlines was lowest at 67.4% across 1,918 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines3,06484.5%9.0%0.0%
Southwest Airlines1,91867.4%18.8%0.7%
SkyWest Airlines1,23179.3%13.5%0.8%
Frontier Airlines76280.7%13.3%0.5%
Delta Air Lines74679.4%13.5%1.5%

Which month was most reliable for DEN to LAX?

Among qualifying DEN-to-LAX month results, October 2025 had the highest on-time rate: 84.2% of 684 flights. June 2026 was lowest at 66.2% across 654 flights.

MonthFlightsOn time30+ minCancelled
July 202567969.4%20.8%1.2%
August 202565876.0%16.0%0.2%
September 202565083.1%10.3%0.2%
October 202568484.2%8.0%0.0%
November 202564882.1%10.2%3.1%
December 202565174.5%15.4%0.6%
January 202660084.0%7.8%0.0%
February 202655081.5%11.6%0.2%
March 202663081.6%12.5%0.0%
April 202663081.9%8.4%0.0%
May 202668779.5%12.5%0.1%
June 202665466.2%21.7%0.5%

What drove DEN to LAX delay minutes?

Late aircraft was the largest recorded DEN-to-LAX delay category, accounting for 42.4% of 100,283 BTS-attributed delay minutes during July 2025–June 2026.

Airline40.8%
Late aircraft42.4%
National airspace13.7%
Weather3.1%
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.