WN1603 Flight Status Southwest Airlines: Phoenix to St. Louis (SWA1603)

Are you looking for the November 6th, 2026 WN 1603 Denver to Dallas flight? Go to our WN1603 Denver to Dallas Flight Status page >

WN 1603 Phoenix to St. Louis Flight Status

Not scheduled today (November 6th, 2026). Latest flight: September 28th, 2026 ; recent history is in the table below.

WN 1603 Flight Status & Schedule Southwest Airlines Phoenix to St. Louis

Date From To Departure Arrival Status Details
Sep 28 PHX STL 19:05 23:33 Landed Track >
Sep 25 PHX STL 19:02 23:31 Landed Track >
Sep 24 PHX STL 19:32 00:15 Landed Late Track >
Sep 21 PHX STL 19:29 23:51 Landed Track >
Sep 18 PHX STL 19:11 23:44 Landed Track >
Sep 17 PHX STL 19:32 00:05 Landed Track >
Sep 14 PHX STL 21:21 01:52 Delayed Track >
Sep 11 PHX STL 20:03 00:42 Delayed Track >
Sep 10 PHX STL 19:12 23:45 Landed Track >
Sep 07 PHX STL 19:51 00:30 Landed Late Track >

Southwest Airlines' Phoenix–St. Louis flight covers 2,027 km (1,259 mi). Its timetable allows 3 hours; in practice it usually takes about 2 h 35 min, so it often makes up time. It is not flying today; the last flight, on 28 September 2026, landed on time.

< All Phoenix PHX Departures All St. Louis STL Arrivals >

About WN 1603

Route
Phoenix Sky Harbor International Airport PHX to St. Louis Lambert International Airport STL
Distance
2,027 km (1,259 mi)
Typical flight time
2 h 35 min
On time
6 of the last 8
Average delay when late
28 min
Usually departs from
Terminal 4

WN 1603 FAQ

How long is the WN1603 flight?
The timetable allows 3 hours. Phoenix to St. Louis is 2,027 km (1,259 mi).
How often is WN1603 late?
2 of the last 8 flights arrived 15 or more minutes late; when late, by 28 minutes on average.
Which terminal does WN1603 use?
It usually leaves from Terminal 4 at Phoenix Sky Harbor International Airport (PHX) and arrives at Terminal 2 at St. Louis Lambert International Airport (STL). Check the flight card above for today's terminal and gate.
What other flight numbers does WN1603 have?
Also listed as SWA1603 (Southwest Airlines' ICAO code) and WN 1603.

WN1603 and Phoenix PHX to St. Louis STL Flights

Other flights departing from Phoenix PHX: OO4892, WN177, WN3136, WN3206

Other flights arriving at St. Louis STL: AS472, WN3667, WN4528, DL1609

All flights connecting Phoenix PHX to St. Louis STL.