Southwest Airlines WN4321 Flight Status Today

Domestic flight Southwest Airlines WN4321 takes off from Baltimore (BWI) United States to Miami (MIA) United States. It's operated by Southwest Airlines. The plane leaves Baltimore/Wash International Thurgood Marshall Airport at 19:10 21 March 2026 America/New_York. The flight is expected to land at Miami International Airport at 21:50 21 March 2026 America/New_York. The flight will last about 5 hours 40 minutes.

Current status of WN4321 is Scheduled Delayed by 15m Estimated Depart in 2 hours, 35 minutes

WN4321 - SWA4321 Southwest Airlines (WN)
BWI Baltimore United States
Flight BWI to MIA
MIA Miami United States
Scheduled Delayed by 15m Estimated Depart in 2 hours, 35 minutes
Departure Baltimore/Wash International Thurgood Marshall Airport
IATA: BWIICAO: KBWI
Scheduled 19:10 21 March 2026
Estimated 19:25 21 March 2026
1 None
Arrival Miami International Airport
IATA: MIAICAO: KMIA
Scheduled 21:50 21 March 2026
1 None
WN4321 Detail
  • Type: Domestic Flight
  • Flight Duration: 5 hours 40 minutes
  • Flight Distance: 1522 kms / 946 miles
Airline
  • Southwest Airlines
  • IATA: WN
  • ICAO: SWA
  • Operating Days: Monday, Tuesday, 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-KBHM1
  • Departure Timezone: America/New_York
  • Arrival Timezone: America/New_York
  • Current Time in Baltimore: Saturday 2026-03-21 16:50 PM
  • Current Time in Miami: Saturday 2026-03-21 16:50 PM

Flight routes similar to Southwest Airlines WN4321

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Qatar Airways QR2399
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Qatar Airways QR9148
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Frontier Airlines F91665
Frontier Airlines 		21/03/2026
08:30 		2 hours 56 minutes
11:26
Southwest Airlines WN3205
Southwest Airlines 		21/03/2026
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Southwest Airlines WN650
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21:00

Southwest Airlines Flight WN4321 FAQs

What is the scheduled flight duration for Southwest Airlines WN4321 flight?

On average, nonstop flight takes 5 hour(s) 40 minutes, with the flight distance of 1522 km (946 miles).

What is the current status of Southwest Airlines WN4321 flight?

The current status of flight Southwest Airlines WN4321 is Scheduled Delayed by 15m.

What type of aircraft is used for the Southwest Airlines WN4321 flight?

All Southwest Airlines WN4321 flights are operated using Boeing 737MAX 8 Passenger aircraft.

When does the flight Southwest Airlines WN4321 arrive?

Flight Southwest Airlines WN4321 arrives at 21:50.

Which terminal the flight Southwest Airlines WN4321 is arriving at?

Flight Southwest Airlines WN4321 arrives in Miami International Airport at Terminal 1.

How many Southwest Airlines WN4321 flights are operated a week?

7 flights per week. The Flight Southwest Airlines WN4321 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .