Delta Air Lines
Is DL4978 delayed?
No — DL4978 landed in Detroit on schedule (12 min behind), at 15:26 on Sep 28 (as of Sep 28, 19:27 UTC). Over its last 7 recorded arrivals, 2 landed more than 15 min late.
On schedule (12 min behind)
Official source · Updated
Departure
Toronto
YYZ
Actual
Scheduled 14:34
Sep 28
Arrival
Detroit
DTW
Actual
Scheduled 15:13
Sep 28
Times shown in airport local time
Service date: · Scheduled departure date (America/Toronto)
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.
- On schedule (12 min behind)
Toronto → Detroit
- 21 min late
Toronto → Detroit
- 37 min late
Toronto → Detroit
- On schedule (6 min behind)
Toronto → Detroit
- On schedule (<1 min behind)
Toronto → Detroit
Is DL4978 usually late?
Observation window: Aug 30, 2026 – Sep 29, 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
Toronto (YYZ) departures
- Left more than 15 min late
- 16 of 155
- Cancelled today
- 2
Detroit (DTW) departures
- Left more than 15 min late
- 30 of 228
- Cancelled today
- 0
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 28, 2026Arrived | Toronto | Detroit | 12 | |
| Sep 27, 2026Arrived | Toronto | Detroit | 21 | |
| Sep 25, 2026Arrived | Toronto | Detroit | 37 | |
| Sep 24, 2026Arrived | Toronto | Detroit | 6 | |
| Sep 21, 2026Arrived | Toronto | Detroit | 0 | |
| Sep 18, 2026Arrived | Toronto | Detroit | 10 | |
| Sep 17, 2026Arrived | Toronto | Detroit | 0 |
Email me if DL4978 runs late
We email you if your next DL4978 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.