| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 18 | STL | PHX | 12:06 | 12:51 |
Landed
|
Track > |
| Sep 17 | STL | PHX | 12:03 | 12:49 |
Landed
|
Track > |
| Sep 16 | STL | PHX | 12:22 | 14:00 |
Landed Late
|
Track > |
| Sep 15 | STL | PHX | 12:56 | 13:54 |
Delayed
|
Track > |
| Sep 14 | STL | PHX | 12:12 | 12:59 |
Landed
|
Track > |
| Sep 12 | STL | PHX | 11:59 | 12:47 |
Landed
|
Track > |
| Sep 11 | STL | PHX | 11:54 | 12:38 |
Landed
|
Track > |
| Sep 10 | STL | PHX | 11:56 | 12:45 |
Landed
|
Track > |
| Sep 09 | STL | PHX | 12:00 | 12:40 |
Landed
|
Track > |
| Sep 08 | STL | PHX | 12:13 | 12:55 |
Landed
|
Track > |
Southwest Airlines Flight WN3877 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 WN3877 flight from St. Louis to Phoenix?
The average flight time from St. Louis to Phoenix is 2 hours and 51 minutes. The flight distance is 2027 km / 1259 miles and the average flight speed is 713 km/h / 443 mph.
How many WN3877 flights are operated per week?
5 flights per week. The flight WN3877 is operated on Monday, Tuesday, Wednesday, Thursday and Friday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3877 St. Louis to Phoenix?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3877 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3877 arriving at?
Flight WN3877 arrives at Phoenix Sky Harbor International Airport (PHX) Terminal 4.
When was the latest WN3877 flight?
The latest flight took off on Friday, September 18th, 2026 with the flight status being Landed on 12:51.
How else can the flight WN3877 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3877, WN 3877, SWA 3877.
How often is flight WN3877 delayed?
On average, 20% of all WN3877 flights are delayed. The average delay is 52 minutes.
Can I get compensation for my delayed or cancelled WN3877 flight or baggage issues?
If your WN3877 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 WN3877 Flight Tracker above for more details.
Other flights departing from St. Louis STL: DL1289, WN3812, DL1400, AC8688
Other flights arriving at Phoenix PHX: AS1414, AA336, AA2042, WN2759
All flights connecting St. Louis STL to Phoenix PHX.