Southwest Airlines WN577 Flight Status Today

Domestic flight Southwest Airlines WN577 takes off from Chicago (MDW) United States to Saint Louis (STL) United States. It's operated by Southwest Airlines. The plane leaves Chicago Midway International Airport at 13:30 09 April 2026 America/Chicago. The flight is expected to land at Lambert-St. Louis International Airport at 14:55 09 April 2026 America/Chicago. The flight will last about 1 hours 25 minutes.

Current status of WN577 is Scheduled On time Expected Depart in 9 hours, 17 minutes

WN577 - SWA577 Southwest Airlines (WN)
MDW Chicago United States
Flight MDW to STL
STL Saint Louis United States
Scheduled On time Expected Depart in 9 hours, 17 minutes
Departure Chicago Midway International Airport
IATA: MDWICAO: KMDW
Scheduled 13:30 09 April 2026
B None
Arrival Lambert-St. Louis International Airport
IATA: STLICAO: KSTL
Scheduled 14:55 09 April 2026
1 None
WN577 Detail
  • Type: Domestic Flight
  • Flight Duration: 1 hours 25 minutes
  • Flight Distance: 405 kms / 252 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-KLAS5
  • Departure Timezone: America/Chicago
  • Arrival Timezone: America/Chicago
  • Current Time in Chicago: Thursday 2026-04-09 04:13 AM
  • Current Time in Saint Louis: Thursday 2026-04-09 04:13 AM

Southwest Airlines WN577 Flight Statistics

Southwest Airlines
Southwest Airlines
FLIGHT NO WN577
AIRPLANE Boeing 737MAX 8 Passenger
ON TIME 12
DELAYED 2
CANCELLED 0
ON TIME 22
DELAYED 4
CANCELLED 0
ON TIME 45
DELAYED 5
CANCELLED 0
ON TIME 73
DELAYED 7
CANCELLED 0
Last 14 days flight data
14 30 60 90
On Time Rate

Southwest Airlines WN577 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Mon 23 Mar
Scheduled On time
Chicago (MDW) 2026-03-23T14:35
Saint Louis (STL) 2026-03-23T15:50
Thu 19 Mar
Arrived Delayed by 16m
Chicago (MDW) 2026-03-19T16:25
Saint Louis (STL) 2026-03-19T19:50
2026-03-19T17:03
2026-03-19T20:06
Fri 13 Mar
Scheduled On time
Chicago (MDW) 2026-03-13T14:35
Saint Louis (STL) 2026-03-13T15:50
Fri 06 Mar
Scheduled On time
Chicago (MDW) 2026-03-06T14:35
Saint Louis (STL) 2026-03-06T15:50
Thu 05 Mar
Scheduled On time
Chicago (MDW) 2026-03-05T14:35
Saint Louis (STL) 2026-03-05T15:50
Fri 27 Feb
Departed On time
Chicago (MDW) 2026-02-27T13:30
Saint Louis (STL) 2026-02-27T15:05
2026-02-27T13:25
Sun 22 Feb
Scheduled On time
Chicago (MDW) 2026-02-22T13:30
Saint Louis (STL) 2026-02-22T15:05
Tue 17 Feb
Scheduled On time
Chicago (MDW) 2026-02-17T10:25
Saint Louis (STL) 2026-02-17T12:00
Thu 15 Jan
Scheduled On time
Chicago (MDW) 2026-01-15T10:25
Saint Louis (STL) 2026-01-15T12:00
Mon 05 Jan
Arrived On time
Chicago (MDW) 2026-01-05T07:30
Saint Louis (STL) 2026-01-05T10:50
2026-01-05T07:26
2026-01-05T10:38

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Southwest Airlines Flight WN577 FAQs

What is the scheduled flight duration for Southwest Airlines WN577 flight?

On average, nonstop flight takes 1 hour(s) 25 minutes, with the flight distance of 405 km (252 miles).

What is the current status of Southwest Airlines WN577 flight?

The current status of flight Southwest Airlines WN577 is Scheduled On time.

What type of aircraft is used for the Southwest Airlines WN577 flight?

All Southwest Airlines WN577 flights are operated using Boeing 737MAX 8 Passenger aircraft.

When does the flight Southwest Airlines WN577 arrive?

Flight Southwest Airlines WN577 arrives at 14:55.

Which terminal the flight Southwest Airlines WN577 is arriving at?

Flight Southwest Airlines WN577 arrives in Lambert-St. Louis International Airport at Terminal 1.

How many Southwest Airlines WN577 flights are operated a week?

7 flights per week. The Flight Southwest Airlines WN577 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .