Delta Air Lines
Is DL3953 delayed?
No — DL3953 landed in Portland 18 min early, at 08:20 on Sep 29 (as of Sep 29, 15:25 UTC).
Usually on time: arrived within 15 min of schedule on 33 of the last 52 flights.
Each route and date is shown separately. Confirm that both airports match your booking.
18 min early
Official source · Updated
Departure
Seattle
SEA
Actual
Scheduled 08:10
Sep 29
Arrival
Portland
PDX
Actual
Scheduled 08:38
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
51 min late
Official source · Updated
Departure
Portland
PDX
Actual
Scheduled 09:53
Sep 29
Arrival
Seattle
SEA
Actual
Scheduled 10:21
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.
- 51 min late
Portland → Seattle
- 18 min early
Seattle → Portland
- 135 min late
Portland → Seattle
- 157 min late
Seattle → Portland
- On schedule (2 min behind)
Portland → Seattle
Is DL3953 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
- 180 of 338
- Cancelled today
- 3
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 29, 2026Arrived | Portland | Seattle | 51 | |
| Sep 29, 2026Arrived | Seattle | Portland | -18 | |
| Sep 28, 2026Arrived | Portland | Seattle | 135 | |
| Sep 28, 2026Arrived | Seattle | Portland | 157 | |
| Sep 27, 2026Arrived | Portland | Seattle | 2 | |
| Sep 27, 2026Arrived | Seattle | Portland | -32 | |
| Sep 26, 2026Arrived | Portland | Seattle | 31 | |
| Sep 26, 2026Arrived | Seattle | Portland | -12 | |
| Sep 25, 2026Arrived | Portland | Seattle | 37 | |
| Sep 25, 2026Arrived | Seattle | Portland | -15 | |
| Sep 24, 2026Arrived | Portland | Seattle | 5 | |
| Sep 24, 2026Arrived | Seattle | Portland | -21 | |
| Sep 23, 2026Arrived | Portland | Seattle | 55 | |
| Sep 23, 2026Arrived | Seattle | Portland | 2 | |
| Sep 22, 2026Arrived | Portland | Seattle | 20 | |
| Sep 22, 2026Arrived | Seattle | Portland | -10 | |
| Sep 21, 2026Arrived | Portland | Seattle | 8 | |
| Sep 21, 2026Arrived | Seattle | Portland | -12 | |
| Sep 20, 2026Arrived | Portland | Seattle | 49 | |
| Sep 20, 2026Arrived | Seattle | Portland | -10 | |
| Sep 19, 2026Arrived | Portland | Seattle | 58 | |
| Sep 19, 2026Arrived | Seattle | Portland | -30 | |
| Sep 18, 2026Arrived | Portland | Seattle | 40 | |
| Sep 18, 2026Arrived | Seattle | Portland | -5 | |
| Sep 17, 2026Arrived | Portland | Seattle | 24 | |
| Sep 17, 2026Arrived | Seattle | Portland | -5 | |
| Sep 16, 2026Arrived | Portland | Seattle | 21 | |
| Sep 16, 2026Arrived | Seattle | Portland | -14 | |
| Sep 15, 2026Arrived | Portland | Seattle | 42 | |
| Sep 15, 2026Arrived | Seattle | Portland | -3 | |
| Sep 14, 2026Arrived | Portland | Seattle | -4 | |
| Sep 14, 2026Arrived | Seattle | Portland | -16 | |
| Sep 13, 2026Arrived | Portland | Seattle | 48 | |
| Sep 12, 2026Arrived | Portland | Seattle | 34 | |
| Sep 12, 2026Arrived | Seattle | Portland | -14 | |
| Sep 11, 2026Arrived | Portland | Seattle | 43 | |
| Sep 11, 2026Arrived | Seattle | Portland | -12 | |
| Sep 10, 2026Arrived | Portland | Seattle | 48 | |
| Sep 10, 2026Arrived | Seattle | Portland | 6 | |
| Sep 9, 2026Arrived | Portland | Seattle | 39 | |
| Sep 9, 2026Arrived | Seattle | Portland | -8 | |
| Sep 8, 2026Arrived | Portland | Seattle | -7 | |
| Sep 8, 2026Arrived | Seattle | Portland | -9 | |
| Sep 7, 2026Arrived | Portland | Seattle | 23 | |
| Sep 7, 2026Arrived | Seattle | Portland | -8 | |
| Sep 6, 2026Arrived | Portland | Seattle | 3 | |
| Sep 6, 2026Arrived | Seattle | Portland | -1 | |
| Sep 5, 2026Arrived | Portland | Seattle | 8 | |
| Sep 5, 2026Arrived | Seattle | Portland | -23 | |
| Sep 4, 2026Arrived | Portland | Seattle | -21 | |
| Sep 4, 2026Arrived | Seattle | Portland | 0 | |
| Sep 3, 2026Arrived | Seattle | Portland | -7 |
Email me if DL3953 runs late
We email you if your next DL3953 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.