Southwest Airlines WN4555 Flight Status Today

Domestic flight Southwest Airlines WN4555 takes off from Saint Louis (STL) United States to San Francisco (SFO) United States. It's operated by Southwest Airlines. The plane leaves Lambert-St. Louis International Airport at 08:40 America/Chicago. The flight is expected to land at San Francisco International Airport at 11:05 America/Los_Angeles. The flight will last about 4 hours 25 minutes.

WN4555 - SWA4555 Southwest Airlines (WN)
STL Saint Louis United States
Flight STL to SFO
SFO San Francisco United States
Contact Airlines It may not operate on the date requested
Departure Lambert-St. Louis International Airport
IATA: STLICAO: KSTL
Scheduled 08:40
2 None
Arrival San Francisco International Airport
IATA: SFOICAO: KSFO
Scheduled 11:05
2 D4
WN4555 Detail
  • Type: Domestic Flight
  • Flight Duration: 4 hours 25 minutes
  • Flight Distance: 2793 kms / 1736 miles
Airline
  • Southwest Airlines
  • IATA: WN
  • ICAO: SWA
  • Operating Days: Tuesday, 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-KFMN1
  • Departure Timezone: America/Chicago
  • Arrival Timezone: America/Los_Angeles
  • Current Time in Saint Louis: Thursday 2026-04-30 12:54 PM
  • Current Time in San Francisco: Thursday 2026-04-30 10:54 AM

Flight routes similar to Southwest Airlines WN4555

Airline Flight no Departure Arrival
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United Airlines UA5728
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SkyWest Airlines OO5728
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Air New Zealand NZ9700
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Southwest Airlines WN1749
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SkyWest Airlines OO5943
SkyWest Airlines 		30/04/2026
19:05 		4 hours 45 minutes
21:50
Asiana Airlines OZ6344
Asiana Airlines 		30/04/2026
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Air New Zealand NZ9701
Air New Zealand 		30/04/2026
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21:50

Southwest Airlines Flight WN4555 FAQs

What is the scheduled flight duration for Southwest Airlines WN4555 flight?

On average, nonstop flight takes 4 hour(s) 25 minutes, with the flight distance of 2793 km (1736 miles).

What type of aircraft is used for the Southwest Airlines WN4555 flight?

All Southwest Airlines WN4555 flights are operated using Boeing 737MAX 8 Passenger aircraft.

Which terminal the flight Southwest Airlines WN4555 is arriving at?

Flight Southwest Airlines WN4555 arrives in San Francisco International Airport at Terminal 2.

How many Southwest Airlines WN4555 flights are operated a week?

2 flights per week. The Flight Southwest Airlines WN4555 is operated on Tuesday, Sunday.