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

Denver, CO (DEN) to Long Beach, CA (LGB) flight delay odds

72.6% of 1,010 official scheduled DEN-to-LGB flights arrived on time; 16.7% 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
72.6%arrived on time
16.7%30+ min late
0.5%cancelled
1,010scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.7%all scheduled flights
120+ minutes late1.7%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+10.0 mincompleted flights

Which departure time was most reliable for DEN to LGB?

Among qualifying DEN-to-LGB departure window results, Early morning had the highest on-time rate: 90.3% of 227 flights. Evening was lowest at 57.9% across 323 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning22790.3%6.6%0.0%
Late morning13779.6%8.8%0.7%
Afternoon32371.8%14.6%0.0%
Evening32357.9%29.4%1.2%

Which weekday was most reliable for DEN to LGB?

Among qualifying DEN-to-LGB weekday results, Wednesday had the highest on-time rate: 78.5% of 135 flights. Friday was lowest at 64.4% across 149 flights.

DayFlightsOn time30+ minCancelled
Monday14570.3%17.9%0.0%
Tuesday14076.4%18.6%0.0%
Wednesday13578.5%12.6%0.7%
Thursday14471.5%16.0%1.4%
Friday14964.4%21.5%1.3%
Saturday14877.7%11.5%0.0%
Sunday14969.8%18.8%0.0%

Which airline was most reliable for DEN to LGB?

Only Southwest Airlines met the DEN-to-LGB airline threshold: 72.6% of 1,010 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,01072.6%16.7%0.5%

Which month was most reliable for DEN to LGB?

Among qualifying DEN-to-LGB month results, January 2026 had the highest on-time rate: 86.6% of 67 flights. June 2026 was lowest at 54.4% across 90 flights.

MonthFlightsOn time30+ minCancelled
July 20259764.9%23.7%2.1%
August 20258978.7%16.9%0.0%
September 20258670.9%20.9%0.0%
October 20258057.5%28.8%1.2%
November 20258172.8%11.1%0.0%
December 20258166.7%27.2%1.2%
January 20266786.6%6.0%0.0%
February 20266681.8%10.6%0.0%
March 20269076.7%7.8%0.0%
April 20269083.3%8.9%0.0%
May 20269380.6%11.8%0.0%
June 20269054.4%24.4%1.1%

What drove DEN to LGB delay minutes?

Late aircraft was the largest recorded DEN-to-LGB delay category, accounting for 56.5% of 13,739 BTS-attributed delay minutes during July 2025–June 2026.

Airline31.9%
Late aircraft56.5%
National airspace10.0%
Weather1.1%
Security0.5%
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.