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Delta Air Lines

Is DL3953 delayed?

Each route and date is shown separately. Confirm that both airports match your booking.

Service date: · Scheduled departure date (UTC)

Arrived

39 min late

Official source · Updated

Departure

Portland

PDX

Actual

Scheduled 16:53

Sep 9

Arrival

Seattle

SEA

Actual

Scheduled 10:21

Sep 9

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

8 min early

Official source · Updated

Departure

Seattle

SEA

Actual

Scheduled 08:08

Sep 9

Arrival

Portland

PDX

Actual

Scheduled 15:36

Sep 9

Times shown in airport local time

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.

  • PDX → SEA

    21 min late

  • SEA → PDX

    14 min early

  • PDX → SEA

    42 min late

  • SEA → PDX

    3 min early

  • PDX → SEA

    4 min early
Flight history and details

Aug 18, 2026 — Sep 17, 2026

Observed arrivals
29
Arrivals over 15 minutes late
8
Observed cancellations
0
Observed occurrences
41

Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.

How flight status works

DL3953 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 16, 2026ArrivedPortlandSeattle
View this flight’s market
21
Sep 16, 2026ArrivedSeattlePortland
-14
Sep 15, 2026ArrivedPortlandSeattle
42
Sep 15, 2026ArrivedSeattlePortland
-3
Sep 14, 2026ArrivedPortlandSeattle
-4
Sep 14, 2026ArrivedSeattlePortland
-16
Sep 13, 2026ArrivedPortlandSeattle
48
Sep 12, 2026ArrivedPortlandSeattle
34
Sep 12, 2026ArrivedSeattlePortland
-14
Sep 11, 2026ArrivedPortlandSeattle
43
Sep 11, 2026ArrivedSeattlePortland
-12
Sep 10, 2026ArrivedPortlandSeattle
48
Sep 10, 2026ArrivedSeattlePortland
6
Sep 9, 2026ArrivedPortlandSeattle
39
Sep 9, 2026ArrivedSeattlePortland
-8
Sep 8, 2026ArrivedPortlandSeattle
-7
Sep 8, 2026ArrivedSeattlePortland
-9
Sep 7, 2026ArrivedPortlandSeattle
23
Sep 7, 2026ArrivedSeattlePortland
-8
Sep 6, 2026ArrivedPortlandSeattle
3
Sep 6, 2026ArrivedSeattlePortland
-1
Sep 5, 2026ArrivedPortlandSeattle
8
Sep 5, 2026ArrivedSeattlePortland
-23
Sep 4, 2026ArrivedPortlandSeattle
-21
Sep 4, 2026ArrivedSeattlePortland
0
Sep 3, 2026ArrivedSeattlePortland
-7
Aug 30, 2026ArrivedSeattlePortland
-22
Aug 29, 2026ArrivedSeattlePortland
-13
Aug 28, 2026ArrivedSeattlePortland
-19

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