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WN3720 Flight Status Southwest Airlines: St. Louis to Washington (SWA3720)

WN 3720 St. Louis to Washington Flight Status

Southwest Airlines Flight WN3720 from St. Louis Lambert International Airport STL to Washington Ronald Reagan National Airport DCA is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on October 31st, 2025.
Check the table below for WN3720's most recent flight history:

WN 3720 Flight Status & Schedule

Date Departure Arrival Status
Oct 31 19:00 22:00
En-Route
 Track >
Oct 31 19:24 21:55
Landed
 Track >
< All STL Departures All DCA Arrivals >

Southwest Airlines WN 3720 St. Louis to Washington Flight Information

Southwest Airlines Flight WN3720 connects St. Louis, United States to Washington, United States, taking off from St. Louis Lambert International Airport STL and landing at Washington Ronald Reagan National Airport DCA.

How long is the WN3720 flight from St. Louis to Washington?

The average flight time from St. Louis to Washington is 1 hour and 31 minutes. The flight distance is 1154 km / 717 miles and the average flight speed is 669 km/h / 416 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3720 St. Louis to Washington?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3720 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN3720 arriving at?

Flight WN3720 arrives at Washington Ronald Reagan National Airport (DCA) Terminal 1.

When was the latest WN3720 flight?

The latest flight took off on Saturday, November 1st, 2025 with the flight status being En-Route on 22:00.

How else can the flight WN3720 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3720, WN 3720, SWA 3720.

How often is flight WN3720 delayed?

On average, 0% of all WN3720 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN3720 flight or baggage issues?

If your WN3720 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 WN3720 Flight Tracker above for more details.

WN3720 and St. Louis STL to Washington DCA Flights

Other flights departing from St. Louis STL: AA3562, WN3720, WN2292, 9X462

Other flights arriving at Washington DCA: WN3720, AA1855, AA4593, WN2558

All flights connecting St. Louis STL to Washington DCA.

WN3720 Southwest Airlines Flight: St. Louis to Washington Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: F37064 PF7780 KC8004 ZF3067 KJ5488 KJ6393 SP3639 VJ2284 AD9701 UI5
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.