WN4840 Southwest Airlines - Flight Status

Warning

There is more than one flight with the same flight number on the same day. This is the other flight:

WN4840 Dallas (DAL) to Boise (BOI) Departure: 08:13 am Arrival: 10:17 am Check flight

Below, you can find details about Southwest Airlines flight WN4840, which currently operates between the airports of Boise - Boise Air Terminal (Airport Code BOI) and Seattle - Seattle-Tacoma International Airport (Airport Code SEA).
This flight data pertains specifically to the flight's details for Saturday, October 10, 2026.

Table of contents:
Flight Status

WN4840 On Time performance:

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

WN4840 Southwest Airlines from Boise

Landed - Delayed

Delay: 181 minutes

Flight Status for Saturday October 10, 2026

This flight is also scheduled for Tomorrow (October 12, 2026). See it here

Airline information

Southwest Airlines

Equipment: Boeing 737-800 (Scimitar Winglets) Passenger

Departure

Boise (BOI)

October 10, 2026

Boise Air Terminal

Departed at:

12:43 pm

Terminal:

Gate:

Scheduled Departure Time: 07:55 am

Arrival

Seattle (SEA)

October 10, 2026

Seattle-Tacoma International Airport

Arrived at:

01:16 pm

Gate:

B10

Scheduled Arrival Time: 10:15 am

Baggage: 11

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.