WN4121 Flight Status Southwest Airlines: Seattle to Phoenix (SWA4121)
WN 4121 Seattle to Phoenix Flight Status
Not scheduled today. Latest flight: January 3rd, 2026 ; recent history is in the table below.
- This flight continues to San Antonio (SAT): WN4121 Phoenix to San Antonio departs at 21:20 local time on Jan 3.
WN 4121 Flight Status & Schedule Southwest Airlines Seattle to Phoenix
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Jan 03 | SEA | PHX | 18:08 | 21:38 | Delayed | Track > |
| Dec 27 | SEA | PHX | 17:20 | 20:35 | Landed | Track > |
| Dec 20 | SEA | PHX | 18:20 | 21:27 | Landed Late | Track > |
| Nov 29 | SEA | PHX | 18:14 | 21:25 | Landed Late | Track > |
| Nov 22 | SEA | PHX | 18:24 | 21:48 | Delayed | Track > |
Southwest Airlines' Seattle–Phoenix flight covers 1,782 km (1,107 mi). The timetable allows 2 h 45 min; there is not enough recent history yet to say how long it usually takes. It is not flying today; the last flight was scheduled on 3 January 2026.
About WN 4121
- Distance
- 1,782 km (1,107 mi)
- Scheduled flight time
- 2 h 45 min
WN 4121 FAQ
- How long is the WN4121 flight?
- The timetable allows 2 h 45 min. Seattle to Phoenix is 1,782 km (1,107 mi).
- Which terminal does WN4121 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 WN4121 have?
- Also listed as SWA4121 (Southwest Airlines' ICAO code) and WN 4121.
WN4121 and Seattle SEA to Phoenix PHX Flights
Other flights departing from Seattle SEA: AS3249, OO249, AS1477, UA5517
Other flights arriving at Phoenix PHX: AA4954, WN2308, WN2743
All flights connecting Seattle SEA to Phoenix PHX.