Delta Air Lines
Is DL4278 delayed?
No — DL4278 is on schedule (2 min behind), expected in Sault Ste Marie at 19:35 on Sep 3.
On schedule (2 min behind)
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Detroit
DTW
Actual
Scheduled 18:15
Sep 3
Arrival
Sault Ste Marie
CIU
Estimated
Scheduled 19:33
Sep 3
Times shown in airport local time
Service date: · Scheduled departure date (America/Detroit)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
- Not available
Is DL4278 usually late?
Observation window: Sep 2, 2026 – Oct 2, 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
- 1 of 1
- Cancelled today
- 0
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|
Email me if DL4278 runs late
We email you if your next DL4278 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.