Flight Reliability
DL 5087 · Delta Air Lines
Detroit → Des Moines (DTW–DSM)
58
A Little Dicey
WanderNerd Reliability Score
- 63%
- Arrive within 15 minutes
- 25 min
- Average arrival delay
- 1.3%
- Cancelled
- 1 min early
- Median arrival delay
Based on 301 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
DL 5087 arrived on time 80% of the time on Saturdays and just 54% on Mondays. That gap is worth planning around.
Lagging the DTW–DSM route.
DL 5087 arrived on time 63% of the time, versus 76% across the DTW–DSM route.
Well behind the Delta Air Lines network.
DL 5087 arrived on time 63% of the time, versus 81% across the Delta Air Lines network.
Trending in the right direction.
DL 5087 arrived on time 68% of the time over the last three months in the data, compared with 50% in the three months before that.
The breakdown
- Mon54%(50 flights)
- Tue67%(46 flights)
- Wed71%(44 flights)
- Thu67%(46 flights)
- Fri58%(48 flights)
- Sat80%(10 flights)
- Sun60%(52 flights)
- 3–6 PM—(2 flights)
- 6–9 PM63%(294 flights)
73%
May
Jun 46% → May 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 46% | 26 |
| July 2025 | 59% | 27 |
| August 2025 | 84% | 25 |
| September 2025 | 70% | 20 |
| October 2025 | 89% | 26 |
| November 2025 | 54% | 24 |
| December 2025 | 28% | 25 |
| January 2026 | 57% | 23 |
| February 2026 | 65% | 20 |
| March 2026 | 64% | 25 |
| April 2026 | 68% | 25 |
| May 2026 | 73% | 30 |
- Departures on time
- 68%
- Diverted
- 0.3%
- Flights flown
- 296
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 301 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.