Historical on-time performance
Des Moines to Atlanta
743 miData through May 2026Source: US DOT · BTS
Flights on DSM–ATL arrive on time 86% of the time over the last 12 months.
On-time rate86%arrived within 15 min
p90 delay15 min1 in 10 flights is worse (tail risk)
Cancelled2.2%of scheduled flights
based on 1,251 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time86%Medianon timep9015 minCancel2.2%Flights1,251
Why flights run late
Delay causes
- Airline49%
- Weather3%
- Air traffic (NAS)9%
- Late aircraft39%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline67%
- Weather33%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 27 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DSM → ATL
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 82% to 90% on time.
- Mornings90% on time · p90 10 min · 1,081 flights
- Afternoons89% on time · p90 15 min · 425 flights
- Middays87% on time · p90 15 min · 1,068 flights
- Evenings82% on time · p90 40 min · 961 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 85% to 89% on time.
- Thursdays89% on time · p90 15 min · 513 flights
- Wednesdays89% on time · p90 15 min · 515 flights
- Mondays86% on time · p90 15 min · 516 flights
- Tuesdays86% on time · p90 25 min · 514 flights
- Sundays86% on time · p90 25 min · 505 flights
- Fridays86% on time · p90 25 min · 515 flights
- Saturdays85% on time · p90 20 min · 457 flights
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