Delta Air Lines
Is DL4231 delayed?
No — DL4231 landed in Detroit on schedule (<1 min behind), at 17:03 on Oct 1 (as of Oct 1, 21:03 UTC).
Usually on time: arrived within 15 min of schedule on 21 of the last 26 flights.
On schedule (<1 min behind)
Official source · Updated
Departure
Sault Ste Marie
CIU
Scheduled
Oct 1
Arrival
Detroit
DTW
Actual
Scheduled 17:02
Oct 1
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
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- On schedule (<1 min behind)
Sault Ste Marie → Detroit
- 17 min early
Sault Ste Marie → Detroit
- On schedule (8 min behind)
Sault Ste Marie → Detroit
- 44 min late
Sault Ste Marie → Detroit
- On schedule (3 min behind)
Sault Ste Marie → Detroit
Is DL4231 usually late?
Observation window: Sep 2, 2026 – Oct 2, 2026
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
Other flights KCIU → DTW
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Oct 1, 2026Arrived | Sault Ste Marie | Detroit | 0 | |
| Sep 30, 2026Arrived | Sault Ste Marie | Detroit | -17 | |
| Sep 29, 2026Arrived | Sault Ste Marie | Detroit | 8 | |
| Sep 28, 2026Arrived | Sault Ste Marie | Detroit | 44 | |
| Sep 27, 2026Arrived | Sault Ste Marie | Detroit | 3 | |
| Sep 26, 2026Arrived | Sault Ste Marie | Detroit | 3 | |
| Sep 25, 2026Arrived | Sault Ste Marie | Detroit | 5 | |
| Sep 24, 2026Arrived | Sault Ste Marie | Detroit | 65 | |
| Sep 22, 2026Arrived | Sault Ste Marie | Detroit | 0 | |
| Sep 21, 2026Arrived | Sault Ste Marie | Detroit | -15 | |
| Sep 19, 2026Arrived | Sault Ste Marie | Detroit | 0 | |
| Sep 18, 2026Arrived | Sault Ste Marie | Detroit | 4 | |
| Sep 17, 2026Arrived | Sault Ste Marie | Detroit | 117 | |
| Sep 16, 2026Arrived | Sault Ste Marie | Detroit | 12 | |
| Sep 15, 2026Arrived | Sault Ste Marie | Detroit | 159 | |
| Sep 14, 2026Arrived | Sault Ste Marie | Detroit | 256 | |
| Sep 13, 2026Arrived | Sault Ste Marie | Detroit | 0 | |
| Sep 12, 2026Arrived | Sault Ste Marie | Detroit | 4 | |
| Sep 11, 2026Arrived | Sault Ste Marie | Detroit | 3 | |
| Sep 10, 2026Arrived | Sault Ste Marie | Detroit | 2 | |
| Sep 9, 2026Arrived | Sault Ste Marie | Detroit | 0 | |
| Sep 8, 2026Arrived | Sault Ste Marie | Detroit | -2 | |
| Sep 7, 2026Arrived | Sault Ste Marie | Detroit | 0 | |
| Sep 6, 2026Arrived | Sault Ste Marie | Detroit | 7 | |
| Sep 5, 2026Arrived | Sault Ste Marie | Detroit | 0 | |
| Sep 4, 2026Arrived | Sault Ste Marie | Detroit | 7 |
Email me if DL4231 runs late
We email you if your next DL4231 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.