WN 3437 St. Louis to Baltimore Flight Status

Southwest Airlines Flight WN3437 from St. Louis Lambert International Airport STL to Baltimore Washington International Airport BWI is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on August 4th, 2025.
Check the table below for WN3437's most recent flight history:

WN 3437 Flight Status & Schedule

Date Departure Arrival Status
Aug 04 20:56 23:27
Landed
Track >
Aug 03 17:25 20:04
Landed
Track >
Aug 02 19:28 21:59
Landed
Track >
Aug 01 22:13 00:45
Delayed
Track >
Jul 31 20:20 23:15
Cancelled
Track >
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Southwest Airlines WN 3437 St. Louis to Baltimore Flight Information

Southwest Airlines Flight WN3437 connects St. Louis, United States to Baltimore, United States, taking off from St. Louis Lambert International Airport STL and landing at Baltimore Washington International Airport BWI.

How long is the WN3437 flight from St. Louis to Baltimore?

The average flight time from St. Louis to Baltimore is 1 hour and 35 minutes. The flight distance is 1184 km / 736 miles and the average flight speed is 719 km/h / 447 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3437 St. Louis to Baltimore?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3437 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN3437 arriving at?

Flight WN3437 arrives at Baltimore Washington International Airport (BWI) Terminal A.

When was the latest WN3437 flight?

The latest flight took off on Tuesday, August 5th, 2025 with the flight status being Landed on 23:27.

How else can the flight WN3437 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3437, WN 3437, SWA 3437.

How often is flight WN3437 delayed?

On average, 50% of all WN3437 flights are delayed. The average delay is 28 minutes.

Can I get compensation for my delayed or cancelled WN3437 flight or baggage issues?

If your WN3437 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 WN3437 Flight Tracker above for more details.

WN3437 and St. Louis STL to Baltimore BWI Flights

Other flights departing from St. Louis STL: AA4897, WN3803, WN1565, WN1578

Other flights arriving at Baltimore BWI: WN940, WN1679, WN3244, NK2049

All flights connecting St. Louis STL to Baltimore BWI.

WN3437 Southwest Airlines Flight: St. Louis to Baltimore Route Map

WN3437 Southwest Airlines Flight Map: St. Louis to Baltimore
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.