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

Atlanta, GA (ATL) to Des Moines, IA (DSM) flight delay odds

83.4% of 1,249 official scheduled ATL-to-DSM flights arrived on time; 9.2% arrived at least 30 minutes late and 2.2% 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
83.4%arrived on time
9.2%30+ min late
2.2%cancelled
1,249scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.2%all scheduled flights
120+ minutes late1.5%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+0.5 mincompleted flights

Which departure time was most reliable for ATL to DSM?

Among qualifying ATL-to-DSM departure window results, Late morning had the highest on-time rate: 84.6% of 331 flights. Night was lowest at 80.5% across 343 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning33184.6%7.3%2.7%
Afternoon53584.1%8.6%2.1%
Night34380.5%12.5%2.3%

Which weekday was most reliable for ATL to DSM?

Among qualifying ATL-to-DSM weekday results, Wednesday had the highest on-time rate: 88.7% of 186 flights. Sunday was lowest at 79.9% across 179 flights.

DayFlightsOn time30+ minCancelled
Monday18682.3%9.7%2.7%
Tuesday18984.1%10.1%1.6%
Wednesday18688.7%7.5%1.1%
Thursday18382.0%12.0%1.1%
Friday18181.8%9.9%2.2%
Saturday14585.5%3.4%4.1%
Sunday17979.9%10.6%3.4%

Which airline was most reliable for ATL to DSM?

Only Delta Air Lines met the ATL-to-DSM airline threshold: 83.4% of 1,249 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,24983.4%9.2%2.2%

Which month was most reliable for ATL to DSM?

Among qualifying ATL-to-DSM month results, October 2025 had the highest on-time rate: 90.8% of 119 flights. January 2026 was lowest at 78.2% across 78 flights.

MonthFlightsOn time30+ minCancelled
July 202511580.9%14.8%0.9%
August 202511684.5%10.3%0.0%
September 202511289.3%4.5%0.0%
October 202511990.8%4.2%0.0%
November 202511283.9%8.9%2.7%
December 20258582.4%7.1%5.9%
January 20267878.2%9.0%5.1%
February 20267880.8%10.3%0.0%
March 20269281.5%8.7%3.3%
April 202610881.5%10.2%4.6%
May 202612178.5%14.9%3.3%
June 202611385.8%7.1%2.7%

What drove ATL to DSM delay minutes?

Airline was the largest recorded ATL-to-DSM delay category, accounting for 53.8% of 10,776 BTS-attributed delay minutes during July 2025–June 2026.

Airline53.8%
Late aircraft26.6%
National airspace14.3%
Weather5.3%
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.