| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 04 | PHX | STL | 21:16 | 00:32 |
Landed
|
Track > |
| Jan 03 | PHX | STL | 22:02 | 01:25 |
Landed
|
Track > |
| Jan 02 | PHX | STL | 21:37 | 01:04 |
Landed Late
|
Track > |
| Jan 01 | PHX | STL | 20:17 | 20:05 |
Unknown
|
Track > |
| Dec 31 | PHX | STL | 17:43 | 21:22 |
Delayed
|
Track > |
| Dec 30 | PHX | STL | 22:00 | 01:26 |
Landed Late
|
Track > |
| Dec 29 | PHX | STL | 22:07 | 01:33 |
Delayed
|
Track > |
| Dec 28 | PHX | STL | 20:59 | 00:16 |
Landed
|
Track > |
| Dec 27 | PHX | STL | 22:38 | 01:59 |
Landed Late
|
Track > |
| Dec 26 | PHX | STL | 23:04 | 02:29 |
Delayed
|
Track > |
Southwest Airlines Flight WN1231 connects Phoenix, United States to St. Louis, United States, taking off from Phoenix Sky Harbor International Airport PHX and landing at St. Louis Lambert International Airport STL.
How long is the WN1231 flight from Phoenix to St. Louis?
The average flight time from Phoenix to St. Louis is 2 hours and 24 minutes. The flight distance is 2027 km / 1259 miles and the average flight speed is 831 km/h / 516 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN1231 Phoenix to St. Louis?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN1231 is 4.4/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN1231 arriving at?
Flight WN1231 arrives at St. Louis Lambert International Airport (STL) Terminal 2.
When was the latest WN1231 flight?
The latest flight took off on Monday, January 5th, 2026 with the flight status being Landed on 00:32.
How else can the flight WN1231 be referenced as?
This Southwest Airlines flight can also be referenced as SWA1231, WN 1231, SWA 1231.
How often is flight WN1231 delayed?
On average, 80% of all WN1231 flights are delayed. The average delay is 47 minutes.
Can I get compensation for my delayed or cancelled WN1231 flight or baggage issues?
If your WN1231 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 WN1231 Flight Tracker above for more details.
Other flights departing from Phoenix PHX: WN3336, WN4155, AA1885, AA4950
Other flights arriving at St. Louis STL: WN1357, WN4156, WN4503, AA4524
All flights connecting Phoenix PHX to St. Louis STL.