Southwest Airlines WN3143 Flight Status Today

Domestic flight Southwest Airlines WN3143 takes off from Washington (DCA) United States to Saint Louis (STL) United States. It's operated by Southwest Airlines. The plane leaves Ronald Reagan National Airport at 12:00 America/New_York. The flight is expected to land at Lambert-St. Louis International Airport at 13:35 America/Chicago. The flight will last about 2 hours 14 minutes.

WN3143 - SWA3143 Southwest Airlines (WN)
DCA Washington United States
Flight DCA to STL
STL Saint Louis United States
Contact Airlines It may not operate on the date requested
Departure Ronald Reagan National Airport
IATA: DCAICAO: KDCA
Scheduled 12:00
1 A9
Arrival Lambert-St. Louis International Airport
IATA: STLICAO: KSTL
Scheduled 13:35
2 E8
WN3143 Detail
  • Type: Domestic Flight
  • Flight Duration: 2 hours 14 minutes
  • Flight Distance: 1157 kms / 719 miles
Airline
  • Southwest Airlines
  • IATA: WN
  • ICAO: SWA
  • Operating Days: Thursday, Friday
Passenger Services
  • Service type: Normal passenger
  • Seats: 180
  • Freight capacity: 17.8 tons
  • Passenger classes: Economy, Premium Economy
More Detail
  • Aircraft: Boeing 737-800 (Scimitar Winglets) Passenger
  • Callsign: F-KSTL3
  • Departure Timezone: America/New_York
  • Arrival Timezone: America/Chicago
  • Current Time in Washington: Friday 2026-03-20 21:49 PM
  • Current Time in Saint Louis: Friday 2026-03-20 20:49 PM

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Southwest Airlines Flight WN3143 FAQs

What is the scheduled flight duration for Southwest Airlines WN3143 flight?

On average, nonstop flight takes 2 hour(s) 14 minutes, with the flight distance of 1157 km (719 miles).

What type of aircraft is used for the Southwest Airlines WN3143 flight?

All Southwest Airlines WN3143 flights are operated using Boeing 737-800 (Scimitar Winglets) Passenger aircraft.

Which terminal the flight Southwest Airlines WN3143 is arriving at?

Flight Southwest Airlines WN3143 arrives in Lambert-St. Louis International Airport at Terminal 2.

How many Southwest Airlines WN3143 flights are operated a week?

2 flights per week. The Flight Southwest Airlines WN3143 is operated on Thursday, Friday.