Flight Reliability
DL 5345 · Delta Air Lines
Detroit → Des Moines (DTW–DSM)83% of its flights flew this route. The rest (DSM–DTW) are included in these numbers.
75
Usually Fine
WanderNerd Reliability Score
- 77%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 1.8%
- Cancelled
- 8 min early
- Median arrival delay
Based on 383 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
DL 5345 arrived on time 87% of the time on Sundays and just 67% on Fridays. That gap is worth planning around.
A bit behind the Delta Air Lines network.
DL 5345 arrived on time 77% of the time, versus 81% across the Delta Air Lines network.
Trending in the right direction.
DL 5345 arrived on time 77% of the time over the last three months in the data, compared with 62% in the three months before that.
The breakdown
- Mon72%(57 flights)
- Tue80%(55 flights)
- Wed73%(55 flights)
- Thu85%(54 flights)
- Fri67%(55 flights)
- Sat76%(46 flights)
- Sun87%(53 flights)
- 3–6 PM77%(367 flights)
- 6–9 PM—(8 flights)
83%
May
Jun 81% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 81% | 26 |
| July 2025 | 70% | 27 |
| August 2025 | 87% | 31 |
| September 2025 | 97% | 30 |
| October 2025 | 90% | 31 |
| November 2025 | 85% | 27 |
| December 2025 | 43% | 30 |
| January 2026 | 63% | 24 |
| February 2026 | 80% | 15 |
| March 2026 | 74% | 42 |
| April 2026 | 73% | 56 |
| May 2026 | 83% | 36 |
- Departures on time
- 79%
- Diverted
- 0.3%
- Flights flown
- 375
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 383 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.