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

Las Vegas, NV (LAS) to Des Moines, IA (DSM) flight delay odds

78.5% of 594 official scheduled LAS-to-DSM flights arrived on time; 12.5% arrived at least 30 minutes late and 0.3% 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
78.5%arrived on time
12.5%30+ min late
0.3%cancelled
594scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.5%all scheduled flights
120+ minutes late1.7%all scheduled flights
Diverted0.7%did not reach as scheduled
Average arrival+4.7 mincompleted flights

Which departure time was most reliable for LAS to DSM?

Among qualifying LAS-to-DSM departure window results, Late morning had the highest on-time rate: 79.3% of 232 flights. Evening was lowest at 73.2% across 71 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning23279.3%9.9%0.0%
Afternoon25577.3%12.5%0.8%
Evening7173.2%22.5%0.0%

Which weekday was most reliable for LAS to DSM?

Among qualifying LAS-to-DSM weekday results, Wednesday had the highest on-time rate: 89.0% of 73 flights. Sunday was lowest at 67.3% across 104 flights.

DayFlightsOn time30+ minCancelled
Monday10473.1%18.3%0.0%
Tuesday5485.2%5.6%0.0%
Wednesday7389.0%4.1%0.0%
Thursday10176.2%11.9%0.0%
Friday10483.7%9.6%0.0%
Saturday5483.3%11.1%0.0%
Sunday10467.3%20.2%1.9%

Which airline was most reliable for LAS to DSM?

Among qualifying LAS-to-DSM airline results, Allegiant Air had the highest on-time rate: 79.0% of 229 flights. Southwest Airlines was lowest at 78.1% across 365 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines36578.1%10.7%0.5%
Allegiant Air22979.0%15.3%0.0%

Which month was most reliable for LAS to DSM?

Among qualifying LAS-to-DSM month results, June 2026 had the highest on-time rate: 88.2% of 51 flights. September 2025 was lowest at 63.8% across 47 flights.

MonthFlightsOn time30+ minCancelled
July 20255381.1%11.3%0.0%
August 20255078.0%14.0%0.0%
September 20254763.8%21.3%0.0%
October 20255381.1%11.3%0.0%
November 20254778.7%12.8%0.0%
December 20255074.0%16.0%2.0%
January 20264885.4%10.4%0.0%
February 20264486.4%4.5%0.0%
March 20265377.4%9.4%1.9%
April 20264776.6%17.0%0.0%
May 20265170.6%17.6%0.0%
June 20265188.2%3.9%0.0%

What drove LAS to DSM delay minutes?

Airline was the largest recorded LAS-to-DSM delay category, accounting for 45.4% of 6,960 BTS-attributed delay minutes during July 2025–June 2026.

Airline45.4%
Late aircraft38.5%
National airspace11.6%
Weather4.5%
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.