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WN6378 Flight Status Southwest Airlines: Houston to St. Louis (SWA6378)

WN 6378 Houston to St. Louis Flight Status

Southwest Airlines Flight WN6378 from Houston William P. Hobby Airport HOU to St. Louis Lambert International Airport STL is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on August 17th, 2025.
Check the table below for WN6378's most recent flight history:

WN 6378 Flight Status & Schedule

Date Departure Arrival Status
Aug 17 15:59 17:37
Landed
 Track >
Aug 10 16:20 17:55
Landed
 Track >
< All HOU Departures All STL Arrivals >

Southwest Airlines WN 6378 Houston to St. Louis Flight Information

Southwest Airlines Flight WN6378 connects Houston, United States to St. Louis, United States, taking off from Houston William P. Hobby Airport HOU and landing at St. Louis Lambert International Airport STL.

How long is the WN6378 flight from Houston to St. Louis?

The average flight time from Houston to St. Louis is 1 hour and 36 minutes. The flight distance is 1108 km / 688 miles and the average flight speed is 689 km/h / 428 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN6378 Houston to St. Louis?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN6378 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN6378 arriving at?

Flight WN6378 arrives at St. Louis Lambert International Airport (STL) Terminal 2.

When was the latest WN6378 flight?

The latest flight took off on Sunday, August 17th, 2025 with the flight status being Landed on 17:37.

How else can the flight WN6378 be referenced as?

This Southwest Airlines flight can also be referenced as SWA6378, WN 6378, SWA 6378.

How often is flight WN6378 delayed?

On average, 50% of all WN6378 flights are delayed. The average delay is 10 minutes.

Can I get compensation for my delayed or cancelled WN6378 flight or baggage issues?

If your WN6378 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 WN6378 Flight Tracker above for more details.

WN6378 and Houston HOU to St. Louis STL Flights

Other flights departing from Houston HOU: WN225, WN1242, WN1731, WN1477

Other flights arriving at St. Louis STL: WN3318, UA4754, WN1590, WN3263

All flights connecting Houston HOU to St. Louis STL.

WN6378 Southwest Airlines Flight: Houston to St. Louis Route Map

WN6378 Southwest Airlines Flight Map: Houston to St. Louis
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.