Informational Guide to Seattle–Tacoma Airport - Seatac (SEA) - NON OFFICIAL

DL3781 Delta Air Lines - Flight Status

Codeshare Flights
The flight WS7863 from WestJet (WS) is a codeshare flight operated by Delta Air Lines (DL) under the flight number DL3781. Check this page for details about flight DL3781.
Warning
There is more than one flight with the same flight number on the same day. This is the other flight:
DL3781 Medford (MFR) to Portland (PDX) Departure: 05:54 am Arrival: 08:38 am Check flight

Below, you can find details about Delta Air Lines flight DL3781, which currently operates between the airports of Portland - Portland International Airport (Airport Code PDX) and Seattle - Seattle-Tacoma International Airport (Airport Code SEA).
This flight data pertains specifically to the flight's details for Monday, March 30, 2026.

Table of contents:
Flight Status
DL3781 On Time performance:
97
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

DL3781 Delta Air Lines from Portland

Landed - Delayed
Delay: 188 minutes
Flight Status for Monday March 30, 2026
This flight was also scheduled for Yesterday (March 29, 2026). See it here
This flight is also scheduled for Tomorrow (March 31, 2026). See it here

Airline information

Delta Air Lines
Delta Air Lines
Equipment: Embraer 175 (Enhanced Winglets)

Departure

Portland (PDX)
March 30, 2026
Portland International Airport
Departed at:
09:29 am
Terminal:
-
Gate:
-
Scheduled Departure Time: 06:00 am

Arrival

Seattle (SEA)
March 30, 2026
Seattle-Tacoma International Airport
Arrived at:
10:51 am
Gate:
B3
Scheduled Arrival Time: 07:43 am
Baggage: 6
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.seattle-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.