WN 3318 Seattle to St. Louis Flight Status

Southwest Airlines Flight WN3318 from Seattle Tacoma International Airport SEA to St. Louis Lambert International Airport STL is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on September 28th, 2025.
Check the table below for WN3318's most recent flight history:

WN 3318 Flight Status & Schedule

Date Departure Arrival Status
Sep 28 12:05 17:37
Landed
Track >
Sep 21 12:20 17:38
Landed
Track >
Sep 14 12:37 18:11
Landed Late
Track >
Sep 07 12:21 17:47
Landed
Track >
Aug 31 12:27 17:44
Landed
Track >

Southwest Airlines WN 3318 Seattle to St. Louis Flight Information

Southwest Airlines Flight WN3318 connects Seattle, United States to St. Louis, United States, taking off from Seattle Tacoma International Airport SEA and landing at St. Louis Lambert International Airport STL.

How long is the WN3318 flight from Seattle to St. Louis?

The average flight time from Seattle to St. Louis is 3 hours and 25 minutes. The flight distance is 2744 km / 1705 miles and the average flight speed is 804 km/h / 500 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3318 Seattle to St. Louis?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3318 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN3318 arriving at?

Flight WN3318 arrives at St. Louis Lambert International Airport (STL) Terminal 2.

When was the latest WN3318 flight?

The latest flight took off on Sunday, September 28th, 2025 with the flight status being Landed on 17:37.

How else can the flight WN3318 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3318, WN 3318, SWA 3318.

How often is flight WN3318 delayed?

On average, 75% of all WN3318 flights are delayed. The average delay is 13 minutes.

Can I get compensation for my delayed or cancelled WN3318 flight or baggage issues?

If your WN3318 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our WN3318 Flight Tracker above for more details.

WN3318 and Seattle SEA to St. Louis STL Flights

Other flights departing from Seattle SEA: AS291, AS932, WN4251, AS1096

Other flights arriving at St. Louis STL: WN2035, AS291, WN2696, WN3771

All flights connecting Seattle SEA to St. Louis STL.

WN3318 Southwest Airlines Flight: Seattle to St. Louis Route Map

WN3318 Southwest Airlines Flight Map: Seattle to St. Louis
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.