WN420 Flight Status Southwest Airlines: Dallas to Denver (SWA420)

WN 420 Dallas to Denver Flight Status

Not scheduled today. Latest flight: September 26th, 2026 ; recent history is in the table below.

WN 420 Flight Status & Schedule Southwest Airlines Dallas to Denver

Date From To Departure Arrival Status Details
Sep 26 DAL DEN 12:23 12:56 Landed Track >
Sep 19 DAL DEN 14:48 15:36 Delayed Track >
Sep 12 DAL DEN 12:24 13:01 Landed Track >
Sep 05 DAL DEN 13:49 14:30 Delayed Track >
Aug 29 DAL DEN 12:09 12:40 Landed Track >
Aug 22 DAL DEN 12:36 13:09 Landed Track >
Aug 15 DAL DEN 12:44 13:14 Landed Track >
Aug 08 DAL DEN 12:32 13:10 Landed Track >

Southwest Airlines operates WN 420 from Dallas to Denver, a 1,047 km (651 mi) trip. Its timetable allows 2 hours; in practice it usually takes about 1 h 35 min, so it often makes up time. It is not flying today; the last flight, on 26 September 2026, landed on time.

< All Dallas DAL Departures All Denver DEN Arrivals >

About WN 420

Southwest Airlines Flight WN420 connects Dallas, United States to Denver, United States, taking off from Dallas Love Field Airport DAL and landing at Denver International Airport DEN.

Route
Dallas Love Field Airport DAL to Denver International Airport DEN
Distance
1,047 km (651 mi)
Typical flight time
1 h 35 min
On time
6 of the last 6
Usually departs from
Terminal 1

WN 420 FAQ

How long is the WN420 flight from Dallas to Denver?
The timetable allows 2 hours. Dallas to Denver is 1,047 km (651 mi).
How often is WN420 from Dallas to Denver late?
None of the last 6 flights arrived 15 or more minutes late.
When was the latest WN420 flight from Dallas to Denver?
The latest WN420 was the 12:05 (local time) departure from Dallas on 26 September 2026; it landed 9 minutes early.
Which terminal does WN420 use?
It usually leaves from Terminal 1 at Dallas Love Field Airport (DAL). Check the flight card above for today's terminal and gate.
What other flight numbers does WN420 have?
Also listed as SWA420 (Southwest Airlines' ICAO code) and WN 420.

WN420 and Dallas DAL to Denver DEN Flights

Other flights departing from Dallas DAL: WN4084, WN1346, WN855

Other flights arriving at Denver DEN: WN3933, WN1652, WN975

All flights connecting Dallas DAL to Denver DEN.