| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 03 | LAS | STL | 16:12 | 21:01 |
Delayed
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| Aug 02 | LAS | STL | 15:12 | 20:03 |
Landed Late
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| Aug 01 | LAS | STL | 12:55 | 17:47 |
Landed
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| Jul 31 | LAS | STL | 14:21 | 19:22 |
Landed Late
|
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| Jul 30 | LAS | STL | 14:30 | 19:17 |
Landed
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| Jul 27 | LAS | STL | 14:18 | 19:15 |
Landed
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| Jul 26 | LAS | STL | 15:45 | 20:37 |
Landed Late
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| Jul 25 | LAS | STL | 14:01 | 18:50 |
Landed Late
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| Jul 24 | LAS | STL | 15:10 | 19:50 |
Landed Late
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| Jul 23 | LAS | STL | 14:16 | 18:57 |
Landed
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Southwest Airlines Flight WN3851 connects Las Vegas, United States to St. Louis, United States, taking off from Las Vegas McCarran International Airport LAS and landing at St. Louis Lambert International Airport STL.
How long is the WN3851 flight from Las Vegas to St. Louis?
The average flight time from Las Vegas to St. Louis is 2 hours and 49 minutes. The flight distance is 2202 km / 1368 miles and the average flight speed is 779 km/h / 484 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3851 Las Vegas to St. Louis?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3851 is 4.5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3851 arriving at?
Flight WN3851 arrives at St. Louis Lambert International Airport (STL) Terminal 2.
When was the latest WN3851 flight?
The latest flight took off on Tuesday, August 4th, 2026 with the flight status being En-Route on 21:01.
How else can the flight WN3851 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3851, WN 3851, SWA 3851.
How often is flight WN3851 delayed?
On average, 80% of all WN3851 flights are delayed. The average delay is 40 minutes.
Can I get compensation for my delayed or cancelled WN3851 flight or baggage issues?
If your WN3851 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 WN3851 Flight Tracker above for more details.
Other flights departing from Las Vegas LAS: WN4138, WN1771, AA2038, WN2104
Other flights arriving at St. Louis STL: WN2400, WN3552, WN3590, WN2921
All flights connecting Las Vegas LAS to St. Louis STL.