Southwest Airlines WN3904 Flight Status : Live Tracking & Updates

Domestic flight Southwest Airlines WN3904 takes off from Phoenix (PHX) United States to Saint Louis (STL) United States. It's operated by Southwest Airlines. The plane leaves Phoenix Sky Harbor International Airport at 08:10 07 May 2026 America/Phoenix. The flight is expected to land at Lambert-St. Louis International Airport at 13:15 07 May 2026 America/Chicago. The flight will last about 3 hours 5 minutes.

Current status of WN3904 is Scheduled On time Estimated Depart in 1 hour, 2 minutes

WN3904 - SWA3904 Southwest Airlines (WN)
PHX Phoenix United States
Flight PHX to STL
STL Saint Louis United States
Scheduled On time Estimated Depart in 1 hour, 2 minutes
Departure Phoenix Sky Harbor International Airport
IATA: PHXICAO: KPHX
Scheduled 08:10 07 May 2026
Estimated 08:10 07 May 2026
4 D5
Arrival Lambert-St. Louis International Airport
IATA: STLICAO: KSTL
Scheduled 13:15 07 May 2026
Estimated 12:52 07 May 2026
2 None
WN3904 Detail
  • Type: Domestic Flight
  • Flight Duration: 3 hours 5 minutes
  • Flight Distance: 2029 kms / 1261 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-KHMN1
  • Departure Timezone: America/Phoenix
  • Arrival Timezone: America/Chicago
  • Current Time in Phoenix: Thursday 2026-05-07 07:08 AM
  • Current Time in Saint Louis: Thursday 2026-05-07 09:08 AM

Southwest Airlines WN3904 Flight Statistics

Southwest Airlines
Southwest Airlines
FLIGHT NO WN3904
AIRPLANE Boeing 737MAX 8 Passenger
ON TIME 14
DELAYED 0
CANCELLED 0
ON TIME 14
DELAYED 0
CANCELLED 0
ON TIME 14
DELAYED 0
CANCELLED 0
ON TIME 28
DELAYED 6
CANCELLED 0
Last 14 days flight data
14 30 60 90
On Time Rate

Southwest Airlines WN3904 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Sun 03 May
Scheduled On time
Phoenix (PHX) 2026-05-03T07:55
Saint Louis (STL) 2026-05-03T12:55
Wed 29 Apr
Scheduled On time
Phoenix (PHX) 2026-04-29T08:55
Saint Louis (STL) 2026-04-29T13:50
Fri 17 Apr
Arrived On time
Phoenix (PHX) 2026-04-17T08:10
Saint Louis (STL) 2026-04-17T13:15
2026-04-17T08:21
2026-04-17T12:55
Sun 12 Apr
Departed On time
Phoenix (PHX) 2026-04-12T07:55
Saint Louis (STL) 2026-04-12T12:55
2026-04-12T07:56
Sat 04 Apr
Arrived Delayed by 16m
Phoenix (PHX) 2026-04-04T16:30
Saint Louis (STL) 2026-04-04T18:00
2026-04-04T16:28
2026-04-04T18:16
Wed 01 Apr
Scheduled On time
Phoenix (PHX) 2026-04-01T18:00
Saint Louis (STL) 2026-04-01T19:30
Tue 24 Mar
Scheduled On time
Phoenix (PHX) 2026-03-24T18:00
Saint Louis (STL) 2026-03-24T19:30
Sun 22 Mar
Departed On time
Phoenix (PHX) 2026-03-22T16:10
Saint Louis (STL) 2026-03-22T17:45
2026-03-22T16:34
Sat 21 Mar
Departed On time
Phoenix (PHX) 2026-03-21T16:30
Saint Louis (STL) 2026-03-21T18:00
2026-03-21T16:28
Mon 09 Mar
Scheduled On time
Phoenix (PHX) 2026-03-09T16:25
Saint Louis (STL) 2026-03-09T17:55

Flight routes similar to Southwest Airlines WN3904

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08:44 		3 hours 7 minutes
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Southwest Airlines WN1845
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18:20 		2 hours 55 minutes
23:15
Alaska Airlines AS6019
Alaska Airlines 		07/05/2026
18:55 		3 hours 4 minutes
23:59
Envoy Air MQ3415
Envoy Air 		07/05/2026
18:55 		2 hours 36 minutes
23:59
Southwest Airlines WN4665
Southwest Airlines 		07/05/2026
05:30 		2 hours 46 minutes
10:20

Southwest Airlines Flight WN3904 FAQs

What is the scheduled flight duration for Southwest Airlines WN3904 flight?

On average, nonstop flight takes 3 hour(s) 5 minutes, with the flight distance of 2029 km (1261 miles).

What is the current status of Southwest Airlines WN3904 flight?

The current status of flight Southwest Airlines WN3904 is Scheduled On time.

What type of aircraft is used for the Southwest Airlines WN3904 flight?

All Southwest Airlines WN3904 flights are operated using Boeing 737MAX 8 Passenger aircraft.

When does the flight Southwest Airlines WN3904 arrive?

Flight Southwest Airlines WN3904 arrives at 13:15.

Which terminal the flight Southwest Airlines WN3904 is arriving at?

Flight Southwest Airlines WN3904 arrives in Lambert-St. Louis International Airport at Terminal 2.

How many Southwest Airlines WN3904 flights are operated a week?

7 flights per week. The Flight Southwest Airlines WN3904 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .