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Route Reliability

Des Moines → Atlanta

DSM–ATL · 743 miles · Des Moines International Airport to Hartsfield–Jackson Atlanta International Airport

86
Pretty Reliable
WanderNerd Reliability Score
89%
Arrive within 15 minutes
5 min early
Average arrival delay
2.2%
Cancelled
1,287
Flights in the data

Data through May 2026.

Delta Air Lines is the only airline in this data on this route, arriving on time 89% of the time across 1,287 flights. No comparison to make.

What the data says

Morning flights do better here.

DSM–ATL flights departing between 3–6 AM arrived on time 93% of the time, versus 81% between 6–9 PM.

Wednesday comes out ahead.

A small edge: 91% on time on Wednesdays against 85% on Saturdays.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon89%(185 flights)
  • Tue89%(189 flights)
  • Wed91%(185 flights)
  • Thu90%(183 flights)
  • Fri88%(185 flights)
  • Sat85%(142 flights)
  • Sun90%(184 flights)
On-time by departure window
  • 3–6 AM93%(355 flights)
  • 9 AM–12 PM90%(321 flights)
  • 12–3 PM89%(243 flights)
  • 3–6 PM91%(116 flights)
  • 6–9 PM81%(218 flights)
On-time trend by month
88%
May

Jun 80% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%112
July 202588%112
August 202592%116
September 202594%112
October 202596%119
November 202586%108
December 202586%107
January 202684%81
February 202694%78
March 202690%88
April 202690%103
May 202688%117

Keep nerding

Based on 1,287 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.