Flight Reliability
DL 5056 · Delta Air Lines
Detroit → Madison (DTW–MSN)
77
Usually Fine
WanderNerd Reliability Score
- 76%
- Arrive within 15 minutes
- 15 min
- Average arrival delay
- 1.3%
- Cancelled
- 5 min early
- Median arrival delay
Based on 76 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
DL 5056 departing between 9 PM–12 AM arrived on time 85% of the time, versus 74% between 6–9 PM.
Mondays have been rough.
DL 5056 arrived on time 92% of the time on Tuesdays and just 50% on Mondays. That gap is worth planning around.
A bit behind the Delta Air Lines network.
DL 5056 arrived on time 76% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon50%(12 flights)
- Tue92%(12 flights)
- Wed82%(11 flights)
- Thu55%(11 flights)
- Fri91%(11 flights)
- Sat—(9 flights)
- Sun—(9 flights)
- 6–9 PM74%(62 flights)
- 9 PM–12 AM85%(13 flights)
87%
Aug
Jun 64% → Aug 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 64% | 22 |
| July 2025 | 74% | 31 |
| August 2025 | 87% | 15 |
- Departures on time
- 76%
- Diverted
- 0%
- Flights flown
- 75
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 76 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.