Delta Air Lines
Is DL4120 delayed?
DL4120 is listed as cancelled on Sep 3.
Cancelled
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Detroit
DTW
Scheduled
Sep 3
Arrival
Louisville
SDF
Scheduled
Sep 3
Times shown in airport local time
Service date: · Scheduled departure date (America/Detroit)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Is DL4120 usually late?
Observation window: Sep 1, 2026 – Oct 1, 2026
Percentages and delay figures appear once 10 arrivals are recorded.
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Detroit (DTW) departures
- Left more than 15 min late
- 2 of 2
- Cancelled today
- 0
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 3, 2026Cancelled | Detroit | Louisville | Not available | Not available |
| Sep 2, 2026Cancelled | Detroit | Louisville | Not available | Not available |
Email me if DL4120 runs late
We email you if your next DL4120 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.