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

Des Moines, IA (DSM) to Los Angeles, CA (LAX) flight delay odds

71.7% of 272 official scheduled DSM-to-LAX flights arrived on time; 16.5% arrived at least 30 minutes late and 0.4% 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
71.7%arrived on time
16.5%30+ min late
0.4%cancelled
272scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.7%all scheduled flights
120+ minutes late5.5%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+29.5 mincompleted flights

Which departure time was most reliable for DSM to LAX?

Among qualifying DSM-to-LAX departure window results, Afternoon had the highest on-time rate: 73.2% of 183 flights. Evening was lowest at 67.8% across 87 flights.

Departure windowFlightsOn time30+ minCancelled
Afternoon18373.2%15.8%0.5%
Evening8767.8%18.4%0.0%

Which weekday was most reliable for DSM to LAX?

Among qualifying DSM-to-LAX weekday results, Wednesday had the highest on-time rate: 78.9% of 38 flights. Sunday was lowest at 59.0% across 39 flights.

DayFlightsOn time30+ minCancelled
Monday4075.0%12.5%0.0%
Tuesday3974.4%17.9%0.0%
Wednesday3878.9%15.8%0.0%
Thursday3969.2%23.1%0.0%
Friday3974.4%10.3%0.0%
Saturday3871.1%13.2%0.0%
Sunday3959.0%23.1%2.6%

Which airline was most reliable for DSM to LAX?

Only SkyWest Airlines met the DSM-to-LAX airline threshold: 71.7% of 272 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines27271.7%16.5%0.4%

Which month was most reliable for DSM to LAX?

Among qualifying DSM-to-LAX month results, March 2026 had the highest on-time rate: 83.9% of 31 flights. December 2025 was lowest at 61.3% across 31 flights.

MonthFlightsOn time30+ minCancelled
October 20252781.5%7.4%0.0%
November 20253268.8%15.6%0.0%
December 20253161.3%25.8%3.2%
January 20263171.0%12.9%0.0%
February 20262871.4%21.4%0.0%
March 20263183.9%9.7%0.0%
April 20263063.3%20.0%0.0%
May 20263281.2%9.4%0.0%
June 20263063.3%26.7%0.0%

What drove DSM to LAX delay minutes?

Airline was the largest recorded DSM-to-LAX delay category, accounting for 82.1% of 10,357 BTS-attributed delay minutes during July 2025–June 2026.

Airline82.1%
Late aircraft7.6%
National airspace9.5%
Weather0.7%
Security0.0%
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.