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

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

87.3% of 1,250 official scheduled DSM-to-ATL flights arrived on time; 7.0% 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
87.3%arrived on time
7.0%30+ min late
2.2%cancelled
1,250scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.6%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival-8.1 mincompleted flights

Which departure time was most reliable for DSM to ATL?

Among qualifying DSM-to-ATL departure window results, Early morning had the highest on-time rate: 91.7% of 350 flights. Evening was lowest at 82.7% across 318 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning35091.7%4.3%2.3%
Late morning33187.3%6.3%1.5%
Afternoon25186.9%7.2%1.2%
Evening31882.7%10.4%3.8%

Which weekday was most reliable for DSM to ATL?

Among qualifying DSM-to-ATL weekday results, Wednesday had the highest on-time rate: 90.3% of 186 flights. Saturday was lowest at 84.2% across 146 flights.

DayFlightsOn time30+ minCancelled
Monday18684.4%7.5%3.8%
Tuesday18988.9%6.9%1.1%
Wednesday18690.3%7.5%1.6%
Thursday18386.9%7.1%1.1%
Friday18287.9%6.6%1.1%
Saturday14684.2%6.8%4.1%
Sunday17887.6%6.2%3.4%

Which airline was most reliable for DSM to ATL?

Only Delta Air Lines met the DSM-to-ATL airline threshold: 87.3% of 1,250 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,25087.3%7.0%2.2%

Which month was most reliable for DSM to ATL?

Among qualifying DSM-to-ATL month results, October 2025 had the highest on-time rate: 95.8% of 119 flights. January 2026 was lowest at 77.9% across 77 flights.

MonthFlightsOn time30+ minCancelled
July 202511583.5%9.6%0.9%
August 202511692.2%5.2%0.0%
September 202511293.8%5.4%0.0%
October 202511995.8%1.7%0.0%
November 202511283.0%10.7%2.7%
December 20258781.6%8.0%5.7%
January 20267777.9%14.3%5.2%
February 20267892.3%3.8%0.0%
March 20269285.9%5.4%3.3%
April 202610886.1%6.5%4.6%
May 202612184.3%8.3%3.3%
June 202611387.6%6.2%2.7%

What drove DSM to ATL delay minutes?

Airline was the largest recorded DSM-to-ATL delay category, accounting for 46.9% of 11,239 BTS-attributed delay minutes during July 2025–June 2026.

Airline46.9%
Late aircraft39.0%
National airspace11.8%
Weather2.4%
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.