Southwest Airlines WN4420 flight status now

Current status of WN4420 is Arrived Delayed by 15m

WN4420 - SWA4420 Southwest Airlines (WN)
STL Saint Louis United States
Flight STL to BOS
BOS Boston United States
Arrived Delayed by 15m
Departure Lambert-St. Louis International Airport
IATA: STLICAO: KSTL
Scheduled 20:25 17 November 2025
Actual 20:47 17 November 2025
2 None
Arrival Logan International Airport
IATA: BOSICAO: KBOS
Scheduled 22:35 17 November 2025
Actual 22:50 17 November 2025
None 22
WN4420 Detail
  • Type: Domestic Flight
  • Flight Duration: 2 hours 3 minutes
  • Flight Distance: 1684 kms / 1046 miles
Airline
  • Southwest Airlines
  • IATA: WN
  • ICAO: SWA
  • Operating Days: Monday, Thursday, Friday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 175
  • Freight capacity: 8.7 tons
  • Passenger classes: Economy, Premium Economy
More Detail
  • Aircraft: Boeing 737MAX 8 Passenger
  • Callsign: SWA4420
  • Departure Timezone: America/Chicago
  • Arrival Timezone: America/New_York
  • Current Time in Saint Louis: Monday 2025-11-17 23:43 PM
  • Current Time in Boston: Tuesday 2025-11-18 00:43 AM

Domestic flight Southwest Airlines WN4420 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 20:25 17 November 2025 America/Chicago. The flight is expected to land at Logan International Airport at 22:35 17 November 2025 America/New_York. The flight will last about 2 hours 3 minutes.

Similar flight route from Saint Louis (STL) to Boston (BOS)

Airline Flight no Departure Arrival
Qatar Airways QR9244
Qatar Airways 		17/11/2025
14:53 		2 hours 29 minutes
18:28
American Airlines AA3416
American Airlines 		17/11/2025
14:53 		2 hours 29 minutes
18:28
Southwest Airlines WN3341
Southwest Airlines 		17/11/2025
08:15 		2 hours 23 minutes
11:45
Qatar Airways QR2873
Qatar Airways 		17/11/2025
11:51 		2 hours 29 minutes
15:30
Envoy Air MQ3416
Envoy Air 		17/11/2025
14:53 		2 hours 35 minutes
18:28
Iberia IB4603
Iberia 		17/11/2025
14:53 		2 hours 35 minutes
18:28
Southwest Airlines WN3001
Southwest Airlines 		17/11/2025
07:50 		2 hours 35 minutes
11:25
American Airlines AA4493
American Airlines 		17/11/2025
11:51 		2 hours 39 minutes
15:30

Frequently asked questions, answered

How long is the flight from Saint Louis to Boston?

On average, nonstop flight takes 2 hour(s) 3 minutes, with the flight distance of 1684 km (1046 miles).

What type of aircraft is used for the Southwest Airlines WN4420 flight?

All Southwest Airlines WN4420 flights are operated using Boeing 737MAX 8 Passenger aircraft.

How many Southwest Airlines WN4420 flights are operated a week?

4 flights per week. The Flight Southwest Airlines WN4420 is operated on Monday, Thursday, Friday, Sunday.