How long is the WN4021 flight?

The timetable allows 1 h 10 min. Nashville to St. Louis is 437 km (272 mi).

What other flight numbers does WN4021 have?

Also listed as SWA4021 (Southwest Airlines' ICAO code) and WN 4021.

WN4021 Flight Status Southwest Airlines: Nashville to St. Louis (SWA4021)

Southwest Airlines WN 4021

Delayed 16'

BNA Nashville

Scheduled: 14:50
Estimated: 15:06

Gate: C24

Departure: Tue, Nov 3, 2026 · local time CST

Nashville International Airport (BNA)

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STL St. Louis

Scheduled: 16:00
Estimated
Delay

Terminal: 2 | Gate: E20

Arrival: Tue, Nov 3, 2026 · local time CST

St. Louis Lambert International Airport (STL)

All STL Arrivals >

Departs in 1h 08m 0%

BNA 15:06 STL 16:00

437 km (272 mi) to fly

Estimated position based on departure and arrival times, not live tracking. Times are local at each airport.

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Distance: 437 km / 272 miles · Scheduled Duration: 01:10

WN 4021 Flight Status & Schedule Southwest Airlines Nashville to St. Louis

Date	From	To	Departure	Arrival	Status	Details
Nov 03	BNA	STL	14:50	16:00	Delayed	Track >

Southwest Airlines operates WN 4021 from Nashville to St. Louis, a 437 km (272 mi) trip, once a week, on Tuesdays. The timetable allows 1 h 10 min; there is not enough recent history yet to say how long it usually takes. Today's flight is scheduled for 14:50 but expected to leave 16 minutes late, at 15:06.

< All Nashville BNA Departures All St. Louis STL Arrivals >

About WN 4021

Route: Nashville International Airport BNA to St. Louis Lambert International Airport STL
Distance: 437 km (272 mi)
Scheduled flight time: 1 h 10 min
Flies: Tue

WN 4021 FAQ

How long is the WN4021 flight?: The timetable allows 1 h 10 min. Nashville to St. Louis is 437 km (272 mi).
Which days does WN4021 fly?: Once a week, on Tuesdays, based on the schedule of the last 7 days.
What other flight numbers does WN4021 have?: Also listed as SWA4021 (Southwest Airlines' ICAO code) and WN 4021.

WN4021 and Nashville BNA to St. Louis STL Flights

Other flights departing from Nashville BNA: AA1100, WN4485, WN667

Other flights arriving at St. Louis STL: AA1953, WN754, WN1424, UA2000

All flights connecting Nashville BNA to St. Louis STL.