Southwest Airlines - Seattle Tacoma Airport - SEATAC (SEA)

Table of contents: Terminal Arrivals and Departures Check-in General Information and contact Punctuality and delays Destinations Served

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

Terminal

Seattle - Tacoma Airport has a main terminal building (with Concourses A, B, C, D), along with two satellite terminal buildings (North Satellite and South Satellite). This two satellite terminal buildings, are connected with the main terminal building by an underground people mover system.

Check your arriving flight here
Check your departing flight here

Arrivals and Departures

Follow the links below in order to see all the flights scheduled for Southwest Airlines

- Southwest Airlines Arrivals
- Southwest Airlines Departures

Check-in

In order to check in for your flight at Seattle Tacoma Airport - SEATAC (SEA), go to departures hall in the main building terminal, or follow the instructions provided in your ticket.

General Information and contact

- IATA Code: WN
- Website: www.southwest.com

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from February 07, 2025 to May 06, 2025, we have obtained these figures.
Total number of flights: 1674
On Time: 1276 ( 76 % )
Moderate Delay: 161 ( 10 % )
Significant Delay: 139 ( 8 % )
Major Delay: 94 ( 6 % )
Canceled: 2 ( 0 % )
Diverted: 2 ( 0 % )

Average Delay: 13 minutes.

Delays analyzed by Weekday: We have gathered available data from last six months, spanning from November 07, 2024 to May 06, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from May 02, 2024 to April 30, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Destinations Served

Southwest Airlines currently serves a variety of destinations from Seattle Tacoma Airport:To see the destinations and their flight frequency, please select the country.

United States of America


											- Chicago (MDW): Daily
- Denver (DEN): Daily
- Las Vegas (LAS): Daily
- Oakland (OAK): Daily
- Phoenix (PHX): Daily
- Sacramento (SMF): Daily
- San Jose (SJC): Daily

The information provided above does not include details about seasonal flights that are not currently being served at this moment, which means that only the flights currently in operation are covered in the information provided.