About 1 in 4 DL 4687 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (26%); 3.3% were cancelled. The typical flight landed 11 minutes early.
DL 4687: DTW → LAN
Scheduled to leave Detroit at 10:05 a.m. local time, operated by Endeavor Air as 9E 4687. Over the past year it arrived on time 74% of the time (122 flights), worse than other DL flights on the route at that hour (78%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 19 | — |
| Tuesday | 18 | — |
| Wednesday | 18 | — |
| Thursday | 18 | — |
| Friday | 18 | — |
| Saturday | 12 | — |
| Sunday | 19 | — |
Why it was late
All flights DTW → LAN · Connecting off DL 4687? Check the risk
DL 4687: LAN → DTW
Scheduled to leave Lansing at 11:42 a.m. local time, operated by Endeavor Air as 9E 4687. Over the past year it arrived on time 70% of the time (122 flights), worse than 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 | 19 | — |
| Tuesday | 18 | — |
| Wednesday | 18 | — |
| Thursday | 18 | — |
| Friday | 18 | — |
| Saturday | 12 | — |
| Sunday | 19 | — |
Why it was late
All flights LAN → DTW · Connecting off DL 4687? Check the risk
Questions
How often is DL 4687 from DTW to LAN late?
Delta Air Lines 4687 from Detroit, MI to Lansing, MI arrived 15 or more minutes late, was diverted or was cancelled on 26% of 122 scheduled flights between September 2025 and August 2026. 3.3% were cancelled.
How often is DL 4687 from LAN to DTW late?
Delta Air Lines 4687 from Lansing, MI to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 30% of 122 scheduled flights between September 2025 and August 2026. 2.5% 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.