Delta Air Lines
Is DL3957 delayed?
Yes — DL3957 landed in Seattle 15 min late, at 07:47 on Sep 29 (as of Sep 29, 14:49 UTC).
Usually on time: arrived within 15 min of schedule on 19 of the last 25 flights.
15 min late
Official source · Updated
Departure
Portland
PDX
Actual
Scheduled 07:04
Sep 29
Arrival
Seattle
SEA
Actual
Scheduled 07:32
Sep 29
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.
- 15 min late
Portland → Seattle
- 18 min early
Portland → Seattle
- On schedule (11 min behind)
Portland → Seattle
- 19 min late
Portland → Seattle
- 17 min early
Portland → Seattle
Is DL3957 usually late?
Observation window: Aug 30, 2026 – Sep 29, 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
- 124 of 225
- Cancelled today
- 2
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 29, 2026Arrived | Portland | Seattle | 15 | |
| Sep 28, 2026Arrived | Portland | Seattle | -18 | |
| Sep 27, 2026Arrived | Portland | Seattle | 11 | |
| Sep 26, 2026Arrived | Portland | Seattle | 19 | |
| Sep 25, 2026Arrived | Portland | Seattle | -17 | |
| Sep 24, 2026Arrived | Portland | Seattle | 12 | |
| Sep 23, 2026Arrived | Portland | Seattle | 7 | |
| Sep 22, 2026Arrived | Portland | Seattle | 9 | |
| Sep 21, 2026Arrived | Portland | Seattle | 8 | |
| Sep 19, 2026Arrived | Portland | Seattle | 11 | |
| Sep 18, 2026Arrived | Portland | Seattle | 31 | |
| Sep 17, 2026Arrived | Portland | Seattle | 4 | |
| Sep 16, 2026Arrived | Portland | Seattle | 8 | |
| Sep 15, 2026Arrived | Portland | Seattle | 15 | |
| Sep 14, 2026Arrived | Portland | Seattle | 8 | |
| Sep 13, 2026Arrived | Portland | Seattle | -19 | |
| Sep 12, 2026Arrived | Portland | Seattle | -4 | |
| Sep 11, 2026Arrived | Portland | Seattle | 2 | |
| Sep 10, 2026Arrived | Portland | Seattle | -1 | |
| Sep 9, 2026Arrived | Portland | Seattle | 34 | |
| Sep 8, 2026Arrived | Portland | Seattle | -2 | |
| Sep 7, 2026Arrived | Albuquerque | Los Angeles | -18 | |
| Sep 6, 2026Arrived | Albuquerque | Los Angeles | -8 | |
| Sep 5, 2026Arrived | Albuquerque | Los Angeles | 25 | |
| Sep 4, 2026Arrived | Albuquerque | Los Angeles | -13 |
Email me if DL3957 runs late
We email you if your next DL3957 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.