Is DL3966 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (UTC)
Arrived
3 min late
Official source · Updated
Departure
Santa Ana
SNA
Actual
Scheduled 19:24
Sep 7
Arrival
Seattle
SEA
Actual
Scheduled 14:39
Sep 7
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Service date: · Scheduled departure date (America/Los_Angeles)
Arrived
30 min early
Official source · Updated
Departure
Seattle
SEA
Actual
Scheduled 08:58
Sep 7
Arrival
Santa Ana
SNA
Actual
Scheduled 18:19
Sep 7
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
SNASEA
SEASNA
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 35 min late
IND → DTW
- 22 min late
DTW → IND
- 16 min late
DTW → IND
- 16 min early
IND → DTW
- 5 min late
DTW → IND
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 21
- Arrivals over 15 minutes late
- 6
- Observed cancellations
- 0
- Observed occurrences
- 32
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 16, 2026Arrived | Indianapolis | Detroit | 35 | |
| Sep 16, 2026Arrived | Detroit | Indianapolis | 22 | |
| Sep 15, 2026Arrived | Detroit | Indianapolis | 16 | |
| Sep 14, 2026Arrived | Indianapolis | Detroit | -16 | |
| Sep 14, 2026Arrived | Detroit | Indianapolis | 5 | |
| Sep 11, 2026Arrived | Indianapolis | Detroit | -7 | |
| Sep 10, 2026Arrived | Indianapolis | Detroit | -7 | |
| Sep 10, 2026Arrived | Detroit | Indianapolis | -1 | |
| Sep 9, 2026Arrived | Indianapolis | Detroit | 19 | |
| Sep 9, 2026Arrived | Detroit | Indianapolis | 40 | |
| Sep 8, 2026Arrived | Indianapolis | Detroit | -1 | |
| Sep 8, 2026Arrived | Detroit | Indianapolis | 6 | |
| Sep 7, 2026Arrived | Santa Ana | Seattle | 3 | |
| Sep 7, 2026Arrived | Seattle | Santa Ana | -30 | |
| Sep 6, 2026Arrived | Santa Ana | Seattle | 4 | |
| Sep 6, 2026Arrived | Seattle | Santa Ana | -29 | |
| Sep 4, 2026Arrived | Santa Ana | Seattle | 23 | |
| Sep 4, 2026Arrived | Seattle | Santa Ana | -2 | |
| Sep 1, 2026Arrived | Seattle | Santa Ana | 0 | |
| Aug 31, 2026Arrived | Seattle | Santa Ana | 1 | |
| Aug 26, 2026Arrived | Seattle | Santa Ana | -22 |