| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 20 | ONT | PHX | 08:14 | 09:06 |
Landed
|
Track > |
| Jul 17 | ONT | PHX | 08:12 | 09:03 |
Landed
|
Track > |
| Jul 16 | ONT | PHX | 08:07 | 08:59 |
Landed
|
Track > |
| Jul 13 | ONT | PHX | 08:10 | 09:04 |
Landed
|
Track > |
| Jul 10 | ONT | PHX | 08:34 | 09:25 |
Landed
|
Track > |
| Jul 09 | ONT | PHX | 08:18 | 09:08 |
Landed
|
Track > |
| Jul 06 | ONT | PHX | 08:24 | 09:18 |
Landed
|
Track > |
| Jul 03 | ONT | PHX | 08:00 | 08:49 |
Landed
|
Track > |
| Jul 02 | ONT | PHX | 08:07 | 08:56 |
Landed
|
Track > |
| Jun 29 | ONT | PHX | 08:15 | 09:03 |
Landed
|
Track > |
Southwest Airlines Flight WN4421 connects Ontario, United States to Phoenix, United States, taking off from Ontario International Airport ONT and landing at Phoenix Sky Harbor International Airport PHX.
How long is the WN4421 flight from Ontario to Phoenix?
The average flight time from Ontario to Phoenix is 51 minutes. The flight distance is 521 km / 324 miles and the average flight speed is 614 km/h / 382 mph.
How many WN4421 flights are operated per week?
3 flights per week. The flight WN4421 is operated on Monday, Thursday and Friday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4421 Ontario to Phoenix?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4421 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4421 arriving at?
Flight WN4421 arrives at Phoenix Sky Harbor International Airport (PHX) Terminal 4.
When was the latest WN4421 flight?
The latest flight took off on Monday, July 20th, 2026 with the flight status being Landed on 09:06.
How else can the flight WN4421 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4421, WN 4421, SWA 4421.
How often is flight WN4421 delayed?
On average, 20% of all WN4421 flights are delayed. The average delay is 6 minutes.
Can I get compensation for my delayed or cancelled WN4421 flight or baggage issues?
If your WN4421 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our WN4421 Flight Tracker above for more details.
Other flights departing from Ontario ONT: WN3145, WN4527, F94690, 8C3323
Other flights arriving at Phoenix PHX: AA4983, WN3001, WN209, LF3383
All flights connecting Ontario ONT to Phoenix PHX.