No delays reported for DL 3166 (DTW→RIC, RIC→DTW) as of 6:43 PM ET. It arrived on time 92.9% of the time in June-August 2026. When it was late, the average delay was 42 minutes. None were cancelled. Right now there are no reported delays at DTW, RIC.
May not fly today
Leg 1 of 2 (DTW → RIC): Next leg DTW → RIC, scheduled 10:10 AM local time. No delays at DTW right now, and it usually runs on time. This flight number flew about 4 days a week in June-August 2026, so it may not operate today.
Cancellation risk: Low 0% of its flights were cancelled in June-August 2026.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check Delta for official times.
What to do now
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| DTW → RIC Detroit, MI to Richmond, VA | 10:10 AM → 11:51 AM | 94% |
| RIC → DTW Richmond, VA to Detroit, MI | 12:36 PM → 2:21 PM | 92% |
Local times. Schedules change; check your booking.
How reliable is DL 3166?
| Arrived on time (within 15 min) | 92.9% |
| Average delay when late | 42 min |
| Cancelled | 0% |
| Diverted | 0% |
| Flights tracked | 98 |
Best and worst days to fly DL 3166
DL 3166 was most reliable on Tuesdays (100% on time) and least reliable on Mondays (81%).
| Monday | |
| Tuesday | |
| Wednesday | |
| Thursday | |
| Friday | |
| Saturday | Too few flights |
| Sunday |
Why it runs late
| Late-arriving plane | |
| Airline (crew, maintenance) | |
| Air traffic system | |
| Extreme weather |
Share of delay minutes by cause, as reported by Delta to the Department of Transportation.
Other flights DTW → RIC
All flights on this route, ranked
Live status at its airports
We show airport-wide airport status, not this flight's gate or live position. For that, check the Delta app.
Delta delays and what you're owed · Airline phone numbers
About this data
On-time history: U.S. Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, June-August 2026. Live conditions: live airport status. "On time" means arriving within 15 minutes of schedule.
Common questions
Is DL 3166 delayed today?
Right now there are no reported delays at DTW, RIC. Checked 6:43 PM ET. For this flight's gate and exact status, check the Delta app.
Is DL 3166 usually on time?
DL 3166 arrived within 15 minutes of schedule 92.9% of the time in June-August 2026, with an average delay of 42 minutes when late.
How often is DL 3166 cancelled?
0% of DL 3166 flights were cancelled in June-August 2026.