WN1637 Flight Status Southwest Airlines: Denver to Phoenix (SWA1637)

WN 1637 Denver to Phoenix Flight Status

Not scheduled today. Latest flight: September 30th, 2026 ; recent history is in the table below.

WN 1637 Flight Status & Schedule Southwest Airlines Denver to Phoenix

Date From To Departure Arrival Status Details
Sep 30 DEN PHX 22:49 23:10 Delayed Track >
Sep 29 DEN PHX 22:09 22:45 Landed Late Track >
Sep 28 DEN PHX 20:24 21:02 Delayed Track >
Sep 24 DEN PHX 20:23 20:44 Landed Late Track >
Sep 23 DEN PHX 21:34 22:01 Landed Track >
Sep 22 DEN PHX 22:21 22:55 Delayed Track >
Sep 21 DEN PHX 20:07 20:38 Landed Late Track >
Sep 18 DEN PHX 20:43 21:12 Delayed Track >
Sep 17 DEN PHX 19:29 20:00 Landed Track >
Sep 16 DEN PHX 21:48 22:17 Landed Track >

Southwest Airlines flight WN 1637 links Denver and Phoenix, 968 km (602 mi) apart. The timetable allows 1 h 55 min, but the flight usually takes about 1 h 30 min, so it often makes up time. It is not flying today; the last flight was scheduled on 30 September 2026.

< All Denver DEN Departures All Phoenix PHX Arrivals >

About WN 1637

Route
Denver International Airport DEN to Phoenix Sky Harbor International Airport PHX
Distance
968 km (602 mi)
Typical flight time
1 h 30 min
On time
3 of the last 6
Average delay when late
39 min

WN 1637 FAQ

How long is the WN1637 flight?
The timetable allows 1 h 55 min. Denver to Phoenix is 968 km (602 mi).
How often is WN1637 late?
3 of the last 6 flights arrived 15 or more minutes late; when late, by 39 minutes on average.
Which terminal does WN1637 use?
It usually arrives at Terminal 4 at Phoenix Sky Harbor International Airport (PHX). Check the flight card above for today's terminal and gate.
What other flight numbers does WN1637 have?
Also listed as SWA1637 (Southwest Airlines' ICAO code) and WN 1637.

WN1637 and Denver DEN to Phoenix PHX Flights

Other flights departing from Denver DEN: WN1461, WN1529

Other flights arriving at Phoenix PHX: WN643, WN2796, WN3878, AS1707

All flights connecting Denver DEN to Phoenix PHX.