WN159 Flight Status Southwest Airlines: St. Louis to Seattle (SWA159)
WN 159 St. Louis to Seattle Flight Status
Not scheduled today. Latest flight: September 26th, 2026 ; recent history is in the table below.
- This flight continues to Sacramento (SMF): WN159 Seattle to Sacramento departs at 17:20 local time on Sep 26.
WN 159 Flight Status & Schedule Southwest Airlines St. Louis to Seattle
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Sep 26 | STL | SEA | 15:07 | 17:01 | Landed Late | Track > |
| Sep 19 | STL | SEA | 14:54 | 16:24 | Landed | Track > |
| Sep 12 | STL | SEA | 14:36 | 16:32 | Landed | Track > |
| Sep 05 | STL | SEA | 16:04 | 17:46 | Delayed | Track > |
| Aug 29 | STL | SEA | 14:40 | 16:31 | Landed | Track > |
| Aug 22 | STL | SEA | 15:01 | 16:48 | Landed | Track > |
| Aug 15 | STL | SEA | 15:22 | 17:06 | Landed Late | Track > |
| Aug 08 | STL | SEA | 15:03 | 16:55 | Landed Late | Track > |
Southwest Airlines' St. Louis–Seattle flight covers 2,744 km (1,705 mi). Its timetable allows 4 h 20 min; in practice it usually takes about 3 h 50 min, so it often makes up time. It is not flying today; the last flight, on 26 September 2026, landed 21 minutes late.
About WN 159
Southwest Airlines Flight WN159 connects St. Louis, United States to Seattle, United States, taking off from St. Louis Lambert International Airport STL and landing at Seattle Tacoma International Airport SEA.
- Distance
- 2,744 km (1,705 mi)
- Typical flight time
- 3 h 50 min
- On time
- 4 of the last 7
- Average delay when late
- 21 min
- Usually departs from
- Terminal 2
WN 159 FAQ
- How long is the WN159 flight from St. Louis to Seattle?
- The timetable allows 4 h 20 min. St. Louis to Seattle is 2,744 km (1,705 mi).
- How often is WN159 from St. Louis to Seattle late?
- 3 of the last 7 flights arrived 15 or more minutes late; when late, by 21 minutes on average.
- When was the latest WN159 flight from St. Louis to Seattle?
- The latest WN159 was the 14:20 (local time) departure from St. Louis on 26 September 2026; it landed 21 minutes late.
- Which terminal does WN159 use?
- It usually leaves from Terminal 2 at St. Louis Lambert International Airport (STL). Check the flight card above for today's terminal and gate.
- What other flight numbers does WN159 have?
- Also listed as SWA159 (Southwest Airlines' ICAO code) and WN 159.
WN159 and St. Louis STL to Seattle SEA Flights
Other flights departing from St. Louis STL: WN4082, WN4593, WN4010, WN4187
Other flights arriving at Seattle SEA: AS331, OO3916, OO3205, QX2021
All flights connecting St. Louis STL to Seattle SEA.