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WN4124 Flight Status Southwest Airlines: Washington to St. Louis (SWA4124)

Southwest Airlines WN 4124
Landed On Time
Departure: Wed, Oct 14, 2026
Scheduled:
18:40
|
Actual:
19:40
Arrival: Wed, Oct 14, 2026
Scheduled:
20:10
|
Actual:
20:24
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WN 4124 Flight Status & Schedule

Date Departure Arrival Status
Oct 14 19:40 20:24
Landed
 Track >
Oct 13 19:40 20:26
Landed Late
 Track >
Oct 07 19:14 20:04
Landed
 Track >
Oct 06 18:50 19:38
Landed
 Track >
< All DCA Departures All STL Arrivals >

Southwest Airlines WN 4124 Washington to St. Louis Flight Information

Southwest Airlines Flight WN4124 connects Washington, United States to St. Louis, United States, taking off from Washington Ronald Reagan National Airport DCA and landing at St. Louis Lambert International Airport STL.

How long is the WN4124 flight from Washington to St. Louis?

The average flight time from Washington to St. Louis is 1 hour and 47 minutes. The flight distance is 1154 km / 717 miles and the average flight speed is 648 km/h / 402 mph.

How many WN4124 flights are operated per week?

2 flights per week. The flight WN4124 is operated on Tuesday and Wednesday.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4124 Washington to St. Louis?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4124 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN4124 arriving at?

Flight WN4124 arrives at St. Louis Lambert International Airport (STL) Terminal 2.

When was the latest WN4124 flight?

The latest flight took off on Thursday, October 15th, 2026 with the flight status being Landed on 20:24.

How else can the flight WN4124 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4124, WN 4124, SWA 4124.

How often is flight WN4124 delayed?

On average, 50% of all WN4124 flights are delayed. The average delay is 15 minutes.

Can I get compensation for my delayed or cancelled WN4124 flight or baggage issues?

If your WN4124 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 WN4124 Flight Tracker above for more details.

WN4124 and Washington DCA to St. Louis STL Flights

Other flights departing from Washington DCA: AA1135, WN818, OH5452, YX5776

Other flights arriving at St. Louis STL: 9E4926, WN3572, WN1770, WN4658

All flights connecting Washington DCA to St. Louis STL.

WN4124 Southwest Airlines Flight: Washington to St. Louis Route Map

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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.