WN121 Flight Status Southwest Airlines: Denver to Phoenix (SWA121)
Are you looking for the November 14th, 2026 WN 121 Albuquerque to Denver flight? Go to our WN121 Albuquerque to Denver Flight Status page >
WN 121 Denver to Phoenix Flight Status
Not scheduled today (November 14th, 2026). Latest flight: September 30th, 2026 ; recent history is in the table below.
WN 121 Flight Status & Schedule Southwest Airlines Denver to Phoenix
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Sep 30 | DEN | PHX | 17:29 | 17:51 | Landed | Track > |
| Sep 29 | DEN | PHX | 18:06 | 18:54 | Delayed | Track > |
| Sep 27 | DEN | PHX | 19:13 | 19:49 | Landed | Track > |
| Sep 23 | DEN | PHX | 17:15 | 17:44 | Landed | Track > |
| Sep 22 | DEN | PHX | 17:38 | 18:05 | Landed | Track > |
| Sep 20 | DEN | PHX | 21:14 | 21:44 | Delayed | Track > |
| Sep 16 | DEN | PHX | 18:25 | 19:05 | Delayed | Track > |
| Sep 15 | DEN | PHX | 17:19 | 17:46 | Landed | Track > |
| Sep 13 | DEN | PHX | 19:52 | 20:18 | Landed Late | Track > |
| Sep 09 | DEN | PHX | 17:24 | 17:49 | Landed | Track > |
Southwest Airlines operates WN 121 from Denver to Phoenix, a 968 km (602 mi) trip. The timetable allows 1 h 55 min, but the flight usually takes about 1 h 25 min, so it often makes up time. It is not flying today; the last flight, on 30 September 2026, landed on time.
About WN 121
Southwest Airlines Flight WN121 connects Denver, United States to Phoenix, United States, taking off from Denver International Airport DEN and landing at Phoenix Sky Harbor International Airport PHX.
- Distance
- 968 km (602 mi)
- Typical flight time
- 1 h 25 min
- On time
- 6 of the last 7
- Average delay when late
- 43 min
WN 121 FAQ
- How long is the WN121 flight from Denver to Phoenix?
- The timetable allows 1 h 55 min. Denver to Phoenix is 968 km (602 mi).
- How often is WN121 from Denver to Phoenix late?
- 1 of the last 7 flights arrived 15 or more minutes late; when late, by 43 minutes on average.
- When was the latest WN121 flight from Denver to Phoenix?
- The latest WN121 was the 17:00 (local time) departure from Denver on 30 September 2026; it landed 4 minutes early.
- Which terminal does WN121 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 WN121 have?
- Also listed as SWA121 (Southwest Airlines' ICAO code) and WN 121.
WN121 and Denver DEN to Phoenix PHX Flights
Other flights departing from Denver DEN: WN1502, WN1539, WN1692, WN4847
Other flights arriving at Phoenix PHX: MQ3940, WN3616, WN2367, AN1
All flights connecting Denver DEN to Phoenix PHX.