About 1 in 4 DL 4252 flights from Alpena arrived 15+ minutes late, diverted or cancelled over the past year (22%); 4.8% were cancelled. The typical flight landed 18 minutes early.
DL 4252: APN → DTW
Scheduled to leave Alpena at 5:45 p.m. local time, operated by SkyWest as OO 4252. Over the past year it arrived on time 78% of the time (269 flights), in line with other DL flights on the route at that hour (79%). Last seen in the data Aug 31, 2026.
Usually Delta Air Lines's last flight of the day from Alpena to Detroit (99% of days). Delta Air Lines's last APN–DTW flight was cancelled 4.9% of the time, against 3.8% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 10:30 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 77% |
| Tuesday | 7 | — |
| Wednesday | 3 | — |
| Thursday | 50 | 78% |
| Friday | 52 | 73% |
| Saturday | 52 | 79% |
| Sunday | 52 | 79% |
Why it was late
All flights APN → DTW · Connecting off DL 4252? Check the risk
Questions
How often is DL 4252 from APN to DTW late?
Delta Air Lines 4252 from Alpena, MI to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 22% of 269 scheduled flights between September 2025 and August 2026. 4.8% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.