Is DL3956 delayed?
DL3956 left Seattle 36 min early, at 20:50 on Sep 29; its arrival time is not confirmed yet.
Usually on time: arrived within 15 min of schedule on 22 of the last 24 flights.
36 min early
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Seattle
SEA
Actual
Scheduled 21:27
Sep 29
Arrival
San Jose
SJC
Scheduled
Sep 29
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
In the air. The market on this flight settles on the airport’s recorded arrival.
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- On schedule (2 min behind)
Seattle → San Jose
- On schedule (10 min behind)
Seattle → San Jose
- 82 min late
Seattle → San Jose
- 19 min early
Seattle → San Jose
- 43 min early
Seattle → San Jose
Is DL3956 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
- 224 of 416
- Cancelled today
- 4
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 28, 2026Arrived | Seattle | San Jose | 2 | |
| Sep 27, 2026Arrived | Seattle | San Jose | 10 | |
| Sep 25, 2026Arrived | Seattle | San Jose | 82 | |
| Sep 24, 2026Arrived | Seattle | San Jose | -19 | |
| Sep 23, 2026Arrived | Seattle | San Jose | -43 | |
| Sep 22, 2026Arrived | Seattle | San Jose | -8 | |
| Sep 21, 2026Arrived | Seattle | San Jose | -46 | |
| Sep 20, 2026Arrived | Seattle | San Jose | -35 | |
| Sep 18, 2026Arrived | Seattle | San Jose | 50 | |
| Sep 17, 2026Arrived | Seattle | San Jose | -16 | |
| Sep 16, 2026Arrived | Seattle | San Jose | -5 | |
| Sep 15, 2026Arrived | Seattle | San Jose | -20 | |
| Sep 14, 2026Arrived | Seattle | San Jose | 10 | |
| Sep 13, 2026Arrived | Seattle | San Jose | -17 | |
| Sep 10, 2026Arrived | Seattle | San Jose | -36 | |
| Sep 9, 2026Arrived | Seattle | San Jose | -14 | |
| Sep 8, 2026Arrived | Seattle | San Jose | -25 | |
| Sep 7, 2026Arrived | Seattle | San Jose | 0 | |
| Sep 6, 2026Arrived | Seattle | San Jose | -17 | |
| Sep 5, 2026Arrived | Seattle | San Jose | -30 | |
| Sep 4, 2026Arrived | Seattle | San Jose | -37 | |
| Sep 3, 2026Arrived | Seattle | San Jose | 6 | |
| Sep 1, 2026Arrived | Seattle | San Jose | -7 | |
| Aug 31, 2026Arrived | Seattle | San Jose | -5 |
Email me if DL3956 runs late
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