Southwest Airlines WN4277 Flight Status Today

Domestic flight Southwest Airlines WN4277 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 13:25 13 March 2026 America/Chicago. The flight is expected to land at Logan International Airport at 16:55 13 March 2026 America/New_York. The flight will last about 2 hours 30 minutes.

Current status of WN4277 is Scheduled On time Estimated Depart in 59 minutes

WN4277 - SWA4277 Southwest Airlines (WN)
STL Saint Louis United States
Flight STL to BOS
BOS Boston United States
Scheduled On time Estimated Depart in 59 minutes
Departure Lambert-St. Louis International Airport
IATA: STLICAO: KSTL
Scheduled 13:25 13 March 2026
Estimated 13:25 13 March 2026
2 None
Arrival Logan International Airport
IATA: BOSICAO: KBOS
Scheduled 16:55 13 March 2026
Estimated 16:44 13 March 2026
B B35
WN4277 Detail
  • Type: Domestic Flight
  • Flight Duration: 2 hours 30 minutes
  • Flight Distance: 1684 kms / 1046 miles
Airline
  • Southwest Airlines
  • IATA: WN
  • ICAO: SWA
  • Operating Days: Monday, Tuesday, Wednesday
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-KBNA3
  • Departure Timezone: America/Chicago
  • Arrival Timezone: America/New_York
  • Current Time in Saint Louis: Friday 2026-03-13 12:26 PM
  • Current Time in Boston: Friday 2026-03-13 13:26 PM

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Southwest Airlines Flight WN4277 FAQs

What is the scheduled flight duration for Southwest Airlines WN4277 flight?

On average, nonstop flight takes 2 hour(s) 30 minutes, with the flight distance of 1684 km (1046 miles).

What is the current status of Southwest Airlines WN4277 flight?

The current status of flight Southwest Airlines WN4277 is Scheduled On time.

What type of aircraft is used for the Southwest Airlines WN4277 flight?

All Southwest Airlines WN4277 flights are operated using Boeing 737MAX 8 Passenger aircraft.

When does the flight Southwest Airlines WN4277 arrive?

Flight Southwest Airlines WN4277 arrives at 16:55.

Which terminal the flight Southwest Airlines WN4277 is arriving at?

Flight Southwest Airlines WN4277 arrives in Logan International Airport at Terminal B.

How many Southwest Airlines WN4277 flights are operated a week?

3 flights per week. The Flight Southwest Airlines WN4277 is operated on Monday, Tuesday, Wednesday.