Flight Reliability
DL 2306 · Delta Air Lines
Atlanta → Des Moines (ATL–DSM)
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
- Mon72%(50 flights)
- Tue86%(49 flights)
- Wed86%(50 flights)
- Thu76%(50 flights)
- Fri78%(46 flights)
- Sat89%(47 flights)
- Sun69%(48 flights)
- 6–9 PM—(5 flights)
- 9 PM–12 AM79%(335 flights)
65%
May
Jun 45% → May 65% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 45% | 29 |
| July 2025 | 71% | 31 |
| August 2025 | 77% | 31 |
| September 2025 | 87% | 30 |
| October 2025 | 94% | 31 |
| November 2025 | 93% | 28 |
| December 2025 | 88% | 17 |
| January 2026 | 89% | 26 |
| February 2026 | 79% | 28 |
| March 2026 | 87% | 30 |
| April 2026 | 86% | 28 |
| May 2026 | 65% | 31 |
- Departures on time
- 78%
- Diverted
- 0%
- Flights flown
- 340
- Months covered
- 12
Same route, other flights
Keep nerding
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.