About 1 in 4 DL 4274 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (23%); 4.7% were cancelled. The typical flight landed 12 minutes early.
DL 4274: DTW → APN
Scheduled to leave Detroit at 8:40 a.m. local time, operated by SkyWest as OO 4274. Over the past year it arrived on time 77% of the time (363 flights), in line with other DL flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 74% |
| Tuesday | 52 | 77% |
| Wednesday | 52 | 77% |
| Thursday | 51 | 76% |
| Friday | 51 | 80% |
| Saturday | 52 | 81% |
| Sunday | 52 | 77% |
Why it was late
All flights DTW → APN · Connecting off DL 4274? Check the risk
DL 4274: APN → DTW
Scheduled to leave Alpena at 10:30 a.m. local time, operated by SkyWest as OO 4274. Over the past year it arrived on time 79% of the time (363 flights), in line with other DL flights on the route at that hour (77%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 81% |
| Tuesday | 52 | 77% |
| Wednesday | 52 | 83% |
| Thursday | 51 | 75% |
| Friday | 51 | 78% |
| Saturday | 52 | 83% |
| Sunday | 52 | 73% |
Why it was late
All flights APN → DTW · Connecting off DL 4274? Check the risk
Questions
How often is DL 4274 from DTW to APN late?
Delta Air Lines 4274 from Detroit, MI to Alpena, MI arrived 15 or more minutes late, was diverted or was cancelled on 23% of 363 scheduled flights between September 2025 and August 2026. 4.7% were cancelled.
How often is DL 4274 from APN to DTW late?
Delta Air Lines 4274 from Alpena, MI to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 21% of 363 scheduled flights between September 2025 and August 2026. 5.0% 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.