Southwest Airlines WN3931 Flight Status Today

Domestic flight Southwest Airlines WN3931 takes off from Saint Louis (STL) United States to Sacramento (SMF) United States. It's operated by Southwest Airlines. The plane leaves Lambert-St. Louis International Airport at 09:55 America/Chicago. The flight is expected to land at Sacramento International Airport at 12:15 America/Los_Angeles. The flight will last about 4 hours 20 minutes.

WN3931 - SWA3931 Southwest Airlines (WN)
STL Saint Louis United States
Flight STL to SMF
SMF Sacramento United States
Contact Airlines It may not operate on the date requested
Departure Lambert-St. Louis International Airport
IATA: STLICAO: KSTL
Scheduled 09:55
2 None
Arrival Sacramento International Airport
IATA: SMFICAO: KSMF
Scheduled 12:15
B None
WN3931 Detail
  • Type: Domestic Flight
  • Flight Duration: 4 hours 20 minutes
  • Flight Distance: 2701 kms / 1678 miles
Airline
  • Southwest Airlines
  • IATA: WN
  • ICAO: SWA
  • Operating Days: Tuesday, Wednesday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 143
  • Freight capacity: 8.4 tons
  • Passenger classes: Economy, Premium Economy
More Detail
  • Aircraft: Boeing 737-800 (winglets) Passenger/BBJ2
  • Callsign: F-KBTR1
  • Departure Timezone: America/Chicago
  • Arrival Timezone: America/Los_Angeles
  • Current Time in Saint Louis: Monday 2026-03-02 18:48 PM
  • Current Time in Sacramento: Monday 2026-03-02 16:48 PM

Flight routes similar to Southwest Airlines WN3931

Airline Flight no Departure Arrival
Southwest Airlines WN2252
Southwest Airlines 		02/03/2026
09:40 		4 hours 25 minutes
12:05

Southwest Airlines Flight WN3931 FAQs

What is the scheduled flight duration for Southwest Airlines WN3931 flight?

On average, nonstop flight takes 4 hour(s) 20 minutes, with the flight distance of 2701 km (1678 miles).

What type of aircraft is used for the Southwest Airlines WN3931 flight?

All Southwest Airlines WN3931 flights are operated using Boeing 737-800 (winglets) Passenger/BBJ2 aircraft.

Which terminal the flight Southwest Airlines WN3931 is arriving at?

Flight Southwest Airlines WN3931 arrives in Sacramento International Airport at Terminal B.

How many Southwest Airlines WN3931 flights are operated a week?

4 flights per week. The Flight Southwest Airlines WN3931 is operated on Tuesday, Wednesday, Saturday, Sunday.