Flight Reliability
DL 2715 · Delta Air Lines
Detroit → Baltimore (DTW–BWI)
77
Usually Fine
WanderNerd Reliability Score
- 78%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 2.2%
- Cancelled
- 8 min early
- Median arrival delay
Based on 363 historical flights. Data through May 2026.
What the data says
Wednesdays have been rough.
DL 2715 arrived on time 88% of the time on Tuesdays and just 71% on Wednesdays. That gap is worth planning around.
A bit behind the DTW–BWI route.
DL 2715 arrived on time 78% of the time, versus 82% across the DTW–BWI route.
A bit behind the Delta Air Lines network.
DL 2715 arrived on time 78% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon80%(50 flights)
- Tue88%(51 flights)
- Wed71%(52 flights)
- Thu76%(50 flights)
- Fri74%(50 flights)
- Sat78%(51 flights)
- Sun77%(51 flights)
- 6–9 PM—(1 flights)
- 9 PM–12 AM78%(354 flights)
79%
May
Jun 70% → May 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 70% | 30 |
| July 2025 | 80% | 30 |
| August 2025 | 81% | 31 |
| September 2025 | 83% | 30 |
| October 2025 | 84% | 31 |
| November 2025 | 79% | 28 |
| December 2025 | 66% | 29 |
| January 2026 | 80% | 30 |
| February 2026 | 82% | 27 |
| March 2026 | 71% | 31 |
| April 2026 | 79% | 29 |
| May 2026 | 79% | 29 |
- Departures on time
- 79%
- Diverted
- 0%
- Flights flown
- 355
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 363 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.