DL3751Delta Air Lines · SEA → PDX
live · 8m ago
Route confirmed Delta Air Lines

DL3751 SeattleSEA · 21:35 PortlandPDX · 22:42

DL3751 by Delta Air Lines flies from Seattle (SEA) to Portland (PDX) for the Sat, Oct 31 departure.

Right nowOn time · gate B5
21:35

departs SEA · on schedule

Typical arrival−16 minmedian over 4 operations

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
10-30
−19 arrival
10-29
−2 arrival
10-28
−18 arrival
10-27
−14 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

Delay & cancellation outlook for this flight

Measured, 90-day sample
35%Chance of 15+ min delay
1.4%Chance of cancellation
+5 minTypical airport delay in this weather

Conditions at SEA and PDX are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →

Tomorrow on this route

Forecast

Seattle to Portland with Delta Air Lines · Sun 1 Nov, local date

Outlook: below usual
Chance a departure is cancelled
0.5%0.6× usual
Chance a departure leaves 60+ min late
6.7%0.7× usual

Forecast weather: 48% chance of fog at Seattle; 49% chance of fog at Portland

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 3 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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
DL4609departs 17:30
DL3913departs 21:29
DL4472departs 22:50

If DL3751 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 that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How DL3751 actually runs

Pro Flight Search has tracked every published board update for DL3751 across the SEA and PDX boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at SEA and PDX.

The verdict above is that record speaking, so it reflects how DL3751 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
10-30SEA 22:55PDX 23:59 23:40 (−19)
10-29SEA 22:55PDX 23:59 23:57 (−2)
10-28SEA 22:55PDX 23:59 23:41 (−18)
10-27SEA 22:55PDX 23:59 23:45 (−14)

Board clocks recorded as SEA and PDX published them.

Planning around DL3751? 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: DL3751 Seattle to Portland on-time performance, measured from the SEA and PDX airport boards.

Canonical URL
https://proflightsearch.com/flight/DL3751
How we measure this →