Delta Air Lines
Is DL3816 delayed?
Yes — DL3816 landed in Seattle 17 min late, at 08:46 on Sep 30 (as of Sep 30, 15:48 UTC).
Usually on time: arrived within 15 min of schedule on 16 of the last 25 flights.
17 min late
Official source · Updated
Departure
Ontario
ONT
Actual
Scheduled 06:09
Sep 30
Arrival
Seattle
SEA
Actual
Scheduled 08:29
Sep 30
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
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.
- 17 min late
Ontario → Seattle
- 32 min late
Ontario → Seattle
- 20 min late
Ontario → Seattle
- 10 min early
Ontario → Seattle
- 10 min early
Ontario → Seattle
Is DL3816 usually late?
Observation window: Aug 31, 2026 – Sep 30, 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
Seattle (SEA) departures
- Left more than 15 min late
- 81 of 270
- Cancelled today
- 1
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 30, 2026Arrived | Ontario | Seattle | 17 | |
| Sep 29, 2026Arrived | Ontario | Seattle | 32 | |
| Sep 28, 2026Arrived | Ontario | Seattle | 20 | |
| Sep 27, 2026Arrived | Ontario | Seattle | -10 | |
| Sep 26, 2026Arrived | Ontario | Seattle | -10 | |
| Sep 25, 2026Arrived | Ontario | Seattle | -2 | |
| Sep 24, 2026Arrived | Ontario | Seattle | -4 | |
| Sep 23, 2026Arrived | Ontario | Seattle | 29 | |
| Sep 22, 2026Arrived | Ontario | Seattle | 22 | |
| Sep 21, 2026Arrived | Ontario | Seattle | -9 | |
| Sep 20, 2026Arrived | Ontario | Seattle | 14 | |
| Sep 19, 2026Arrived | Ontario | Seattle | 5 | |
| Sep 18, 2026Arrived | Ontario | Seattle | 30 | |
| Sep 17, 2026Arrived | Ontario | Seattle | 11 | |
| Sep 16, 2026Arrived | Ontario | Seattle | -8 | |
| Sep 15, 2026Arrived | Ontario | Seattle | 3 | |
| Sep 14, 2026Arrived | Ontario | Seattle | 12 | |
| Sep 13, 2026Arrived | Ontario | Seattle | 15 | |
| Sep 11, 2026Arrived | Ontario | Seattle | 2 | |
| Sep 10, 2026Arrived | Ontario | Seattle | 24 | |
| Sep 9, 2026Arrived | Ontario | Seattle | 11 | |
| Sep 8, 2026Arrived | Ontario | Seattle | -26 | |
| Sep 7, 2026Arrived | Ontario | Seattle | 18 | |
| Sep 6, 2026Arrived | Ontario | Seattle | 4 | |
| Sep 5, 2026Arrived | Ontario | Seattle | -10 |
Email me if DL3816 runs late
We email you if your next DL3816 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.