| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 12 | STL | PHX | 08:26 | 09:05 |
Landed
|
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| Jul 05 | STL | PHX | 08:59 | 09:43 |
Landed
|
Track > |
| Jun 28 | STL | PHX | 08:38 | 09:23 |
Landed
|
Track > |
| Jun 21 | STL | PHX | 08:30 | 09:28 |
Landed
|
Track > |
| Jun 14 | STL | PHX | 08:28 | 09:29 |
Landed
|
Track > |
| Jun 07 | STL | PHX | 08:32 | 09:25 |
Landed
|
Track > |
Southwest Airlines Flight WN143 connects St. Louis, United States to Phoenix, United States, taking off from St. Louis Lambert International Airport STL and landing at Phoenix Sky Harbor International Airport PHX.
How long is the WN143 flight from St. Louis to Phoenix?
The average flight time from St. Louis to Phoenix is 2 hours and 50 minutes. The flight distance is 2027 km / 1259 miles and the average flight speed is 717 km/h / 445 mph.
How many WN143 flights are operated per week?
1 flight per week. The flight WN143 is operated on Sunday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN143 St. Louis to Phoenix?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN143 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN143 arriving at?
Flight WN143 arrives at Phoenix Sky Harbor International Airport (PHX) Terminal 4.
When was the latest WN143 flight?
The latest flight took off on Sunday, July 12th, 2026 with the flight status being Landed on 09:05.
How else can the flight WN143 be referenced as?
This Southwest Airlines flight can also be referenced as SWA143, WN0143, WN 143, SWA 143.
How often is flight WN143 delayed?
On average, 17% of all WN143 flights are delayed. The average delay is 13 minutes.
Can I get compensation for my delayed or cancelled WN143 flight or baggage issues?
If your WN143 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 WN143 Flight Tracker above for more details.
Other flights departing from St. Louis STL: WN3905, AA4669, WN1300, WN3884
Other flights arriving at Phoenix PHX: AA634, AA6392, AA6475, AN1
All flights connecting St. Louis STL to Phoenix PHX.