WN21 Flight Status Southwest Airlines: Ontario to Phoenix (SWA21)
WN 21 Ontario to Phoenix Flight Status
Not scheduled today. Latest flight: January 3rd, 2026 ; recent history is in the table below.
- This flight continues to Dallas (DAL): WN21 Phoenix to Dallas departs at 08:00 local time on Jan 3.
WN 21 Flight Status & Schedule Southwest Airlines Ontario to Phoenix
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Jan 03 | ONT | PHX | 05:21 | 07:12 | Landed | Track > |
| Dec 27 | ONT | PHX | 05:29 | 07:21 | Landed | Track > |
| Dec 20 | ONT | PHX | 05:25 | 07:11 | Landed | Track > |
| Nov 29 | ONT | PHX | 05:23 | 07:11 | Landed | Track > |
| Nov 22 | ONT | PHX | 05:43 | 07:34 | Landed | Track > |
Southwest Airlines operates WN 21 from Ontario to Phoenix, a 521 km (324 mi) trip. The timetable allows 1 h 10 min, but the flight usually takes about 50 min, so it often makes up time. It is not flying today; the last flight, on 3 January 2026, landed on time.
About WN 21
- Distance
- 521 km (324 mi)
- Typical flight time
- 50 min
- On time
- 5 of the last 5
- Usually departs from
- Terminal 4, gate 403
WN 21 FAQ
- How long is the WN21 flight?
- The timetable allows 1 h 10 min. Ontario to Phoenix is 521 km (324 mi).
- How often is WN21 late?
- None of the last 5 flights arrived 15 or more minutes late.
- Which terminal does WN21 use?
- It usually leaves from Terminal 4, gate 403 at Ontario International Airport (ONT) and 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 WN21 have?
- Also listed as SWA21 (Southwest Airlines' ICAO code) and WN 21.
WN21 and Ontario ONT to Phoenix PHX Flights
Other flights departing from Ontario ONT: UA1180, WN2127, WN4851, WN3979
Other flights arriving at Phoenix PHX: WN4448, WN1670, WN1718, WN2876
All flights connecting Ontario ONT to Phoenix PHX.