| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 16 | STL | HOU | 21:04 | 22:41 |
Landed
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| Sep 15 | STL | HOU | 21:22 | 22:59 |
Landed
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| Sep 09 | STL | HOU | 20:44 | 22:24 |
Landed
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| Sep 08 | STL | HOU | 21:13 | 22:46 |
Landed
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| Sep 02 | STL | HOU | 20:50 | 22:33 |
Landed
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| Sep 01 | STL | HOU | 20:51 | 22:39 |
Landed
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| Aug 26 | STL | HOU | 20:51 | 22:31 |
Landed
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| Aug 25 | STL | HOU | 20:43 | 22:12 |
Landed
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| Aug 19 | STL | HOU | 20:45 | 22:24 |
Landed
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| Aug 18 | STL | HOU | 20:40 | 22:08 |
Landed
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Southwest Airlines Flight WN3843 connects St. Louis, United States to Houston, United States, taking off from St. Louis Lambert International Airport STL and landing at Houston William P. Hobby Airport HOU.
How long is the WN3843 flight from St. Louis to Houston?
The average flight time from St. Louis to Houston is 1 hour and 37 minutes. The flight distance is 1108 km / 688 miles and the average flight speed is 685 km/h / 426 mph.
How many WN3843 flights are operated per week?
2 flights per week. The flight WN3843 is operated on Wednesday and Thursday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3843 St. Louis to Houston?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3843 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN3843 flight?
The latest flight took off on Thursday, September 17th, 2026 with the flight status being Landed on 22:41.
How else can the flight WN3843 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3843, WN 3843, SWA 3843.
How often is flight WN3843 delayed?
On average, 10% of all WN3843 flights are delayed. The average delay is 9 minutes.
Can I get compensation for my delayed or cancelled WN3843 flight or baggage issues?
If your WN3843 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 WN3843 Flight Tracker above for more details.
Other flights departing from St. Louis STL: WN3878, WN3821, WN3955, WN4166
Other flights arriving at Houston HOU: WN1894, WN1386, DL2051, WN207
All flights connecting St. Louis STL to Houston HOU.