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WanderNerd

Flight Reliability

DL 2306 · Delta Air Lines

Atlanta → Des Moines (ATLDSM)

78
Usually Fine
WanderNerd Reliability Score
79%
Arrive within 15 minutes
9 min
Average arrival delay
2.3%
Cancelled
6 min early
Median arrival delay

Based on 348 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

DL 2306 arrived on time 89% of the time on Saturdays and just 69% on Sundays. That gap is worth planning around.

A bit behind the ATL–DSM route.

DL 2306 arrived on time 79% of the time, versus 84% across the ATL–DSM route.

Slipping a little lately.

DL 2306 arrived on time 79% of the time over the last three months in the data, compared with 85% in the three months before that.

The breakdown

On-time by weekday
  • Mon72%(50 flights)
  • Tue86%(49 flights)
  • Wed86%(50 flights)
  • Thu76%(50 flights)
  • Fri78%(46 flights)
  • Sat89%(47 flights)
  • Sun69%(48 flights)
On-time by departure window
  • 6–9 PM(5 flights)
  • 9 PM–12 AM79%(335 flights)
On-time trend by month
65%
May

Jun 45% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202545%29
July 202571%31
August 202577%31
September 202587%30
October 202594%31
November 202593%28
December 202588%17
January 202689%26
February 202679%28
March 202687%30
April 202686%28
May 202665%31
Departures on time
78%
Diverted
0%
Flights flown
340
Months covered
12

Based on 348 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.