Delta Air Lines
Is DL3979 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (UTC)
4 min early
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Green Bay
GRB
Actual
Sep 22
Arrival
Detroit
DTW
Scheduled
Sep 22
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Service date: · Scheduled departure date (America/Detroit)
1 min late
Official source · Updated
Departure
Detroit
DTW
Actual
Sep 22
Arrival
Green Bay
GRB
Actual
Sep 22
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 1 min late
DTW → GRB
- 8 min late
GRB → DTW
- 13 min late
DTW → GRB
- 112 min late
GRB → DTW
- 3 min early
GRB → DTW
Flight history and details
Aug 23, 2026 — Sep 22, 2026
- Observed arrivals
- 28
- Arrivals over 15 minutes late
- 8
- Observed cancellations
- 2
- Observed occurrences
- 36
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 22, 2026Arrived | Detroit | Green Bay | 1 | |
| Sep 21, 2026Arrived | Green Bay | Detroit | 8 | |
| Sep 21, 2026Arrived | Detroit | Green Bay | 13 | |
| Sep 20, 2026Arrived | Green Bay | Detroit | 112 | |
| Sep 19, 2026Arrived | Green Bay | Detroit | -3 | |
| Sep 19, 2026Arrived | Detroit | Green Bay | 10 | |
| Sep 18, 2026Arrived | Green Bay | Detroit | 86 | |
| Sep 18, 2026Arrived | Detroit | Green Bay | 125 | |
| Sep 17, 2026Arrived | Green Bay | Detroit | 6 | |
| Sep 17, 2026Arrived | Detroit | Green Bay | 6 | |
| Sep 16, 2026Arrived | Green Bay | Detroit | -11 | |
| Sep 16, 2026Arrived | Detroit | Green Bay | 7 | |
| Sep 15, 2026Arrived | Green Bay | Detroit | 12 | |
| Sep 15, 2026Arrived | Detroit | Green Bay | 39 | |
| Sep 14, 2026Arrived | Green Bay | Detroit | -9 | |
| Sep 14, 2026Arrived | Detroit | Green Bay | 3 | |
| Sep 13, 2026Arrived | Detroit | Green Bay | 12 | |
| Sep 11, 2026Arrived | Green Bay | Detroit | -2 | |
| Sep 11, 2026Arrived | Detroit | Green Bay | 14 | |
| Sep 10, 2026Arrived | Green Bay | Detroit | -2 | |
| Sep 10, 2026Arrived | Detroit | Green Bay | -15 | |
| Sep 9, 2026Arrived | Green Bay | Detroit | -2 | |
| Sep 9, 2026Arrived | Detroit | Green Bay | 17 | |
| Sep 8, 2026Arrived | Green Bay | Detroit | -11 | |
| Sep 8, 2026Arrived | Detroit | Green Bay | 8 | |
| Sep 7, 2026Arrived | Kalamazoo | Detroit | 102 | |
| Sep 7, 2026Arrived | Detroit | Kalamazoo | 42 | |
| Sep 4, 2026Cancelled | Kalamazoo | Detroit | Not available | Not available |
| Sep 4, 2026Cancelled | Detroit | Kalamazoo | Not available | Not available |
| Aug 27, 2026Arrived | Detroit | Kalamazoo | 18 |