DL3923Delta Air Lines · SEA → PDX
live · 21m ago
Route confirmed Delta Air Lines

DL3923 SeattleSEA · 18:35 PortlandPDX · 19:44

DL3923 by Delta Air Lines flies from Seattle (SEA) to Portland (PDX) for the Sat, Sep 5 departure.

Right nowOn time · gate B4 · as of 14:23
18:35

departs SEA · on schedule

Typical arrival−3 minmedian over 3 operations

Where the minutes go

last 3 operations · gate push → arrival
0+30+60+90 min
09-04
−13 arrival
09-03
+81 arrival
09-02
−3 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
SEASeattleModerate riskSEA delay board →
PDXPortlandOn-time likelyPDX delay board →
SEA→PDXevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
41%Chance of 15+ min delay
2.8%Chance of cancellation
+7 minAvg hub delay right now

Driven mainly by PDX (Portland), currently flying IFR (instrument). For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Seattle to Portland flights today

same route · Delta Air Lines
DL3953departs 07:25
DL3818departs 09:35
DL3802departs 10:40
DL4062departs 13:33
DL3918departs 16:06
DL3913departs 21:30

If DL3923 is cancelled, these are the other Delta Air Lines nonstop flights from Seattle to Portland on the same day, with scheduled departure times in SEA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How DL3923 actually runs

Pro Flight Search has tracked every published board update for DL3923 across the SEA and PDX boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed -3 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how DL3923 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
09-04SEA 18:35PDX 19:44 19:31 (−13)
09-03SEA 18:35PDX 19:44 21:05 (+81)
09-02SEA 18:35PDX 19:44 19:41 (−3)

Board clocks recorded as SEA and PDX published them.

Planning around DL3923? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — DL3923 Seattle to Portland on-time performance, measured from the SEA and PDX airport boards.

Canonical URL
https://proflightsearch.com/flight/DL3923
How we measure this →