Southwest Airlines WN3731 Flight Status Today

Domestic flight Southwest Airlines WN3731 takes off from Saint Louis (STL) United States to Boston (BOS) United States. It's operated by Southwest Airlines. The plane leaves Lambert-St. Louis International Airport at 19:45 20 March 2026 America/Chicago. The flight is expected to land at Logan International Airport at 23:10 20 March 2026 America/New_York. The flight will last about 2 hours 32 minutes.

Current status of WN3731 is Arrived On time

WN3731 - SWA3731 Southwest Airlines (WN)
STL Saint Louis United States
Flight STL to BOS
BOS Boston United States
Arrived On time
Departure Lambert-St. Louis International Airport
IATA: STLICAO: KSTL
Scheduled 19:45 20 March 2026
Actual 19:46 20 March 2026
2 None
Arrival Logan International Airport
IATA: BOSICAO: KBOS
Scheduled 23:10 20 March 2026
Actual 23:18 20 March 2026
B B31A
WN3731 Detail
  • Type: Domestic Flight
  • Flight Duration: 2 hours 32 minutes
  • Flight Distance: 1684 kms / 1046 miles
Airline
  • Southwest Airlines
  • IATA: WN
  • ICAO: SWA
  • Operating Days: Monday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 143
  • Freight capacity: 8.4 tons
  • Passenger classes: Economy, Premium Economy
More Detail
  • Aircraft: Boeing 737MAX 8 Passenger
  • Callsign: F-KCIR1
  • Departure Timezone: America/Chicago
  • Arrival Timezone: America/New_York
  • Current Time in Saint Louis: Friday 2026-03-20 23:09 PM
  • Current Time in Boston: Saturday 2026-03-21 00:09 AM

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Southwest Airlines Flight WN3731 FAQs

What is the scheduled flight duration for Southwest Airlines WN3731 flight?

On average, nonstop flight takes 2 hour(s) 32 minutes, with the flight distance of 1684 km (1046 miles).

What is the current status of Southwest Airlines WN3731 flight?

The current status of flight Southwest Airlines WN3731 is Arrived On time.

What type of aircraft is used for the Southwest Airlines WN3731 flight?

All Southwest Airlines WN3731 flights are operated using Boeing 737MAX 8 Passenger aircraft.

When does the flight Southwest Airlines WN3731 arrive?

Flight Southwest Airlines WN3731 arrives at 23:10.

Which terminal the flight Southwest Airlines WN3731 is arriving at?

Flight Southwest Airlines WN3731 arrives in Logan International Airport at Terminal B.

How many Southwest Airlines WN3731 flights are operated a week?

6 flights per week. The Flight Southwest Airlines WN3731 is operated on Monday, Wednesday, Thursday, Friday, Saturday, Sunday.