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Flight Reliability

DL 2727 · Delta Air Lines

Des Moines → Atlanta (DSM–ATL)96% of its flights flew this route. The rest (DFW–SLC) are included in these numbers.

89
Pretty Reliable
WanderNerd Reliability Score
92%
Arrive within 15 minutes
6 min early
Average arrival delay
2.2%
Cancelled
18 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

DL 2727 departing between 3–6 AM arrived on time 93% of the time, versus 69% between 12–3 PM.

Skip Saturday if you can.

DL 2727 arrived on time 98% of the time on Tuesdays. On Saturdays: 84%.

A bit ahead of the DSM–ATL route.

DL 2727 arrived on time 92% of the time, versus 89% across the DSM–ATL route.

Better than the Delta Air Lines network average.

DL 2727 arrived on time 92% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon96%(50 flights)
  • Tue98%(51 flights)
  • Wed90%(51 flights)
  • Thu94%(52 flights)
  • Fri92%(52 flights)
  • Sat84%(49 flights)
  • Sun90%(50 flights)
On-time by departure window
  • 3–6 AM93%(339 flights)
  • 12–3 PM69%(16 flights)
On-time trend by month
97%
May

Jun 79% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%29
July 202597%31
August 202594%31
September 2025100%30
October 2025100%31
November 202589%27
December 202576%29
January 202690%30
February 202696%28
March 202693%30
April 202693%28
May 202697%31
Departures on time
93%
Diverted
0.5%
Flights flown
355
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.