WN4021 Flight Status Southwest Airlines: Denver to Houston (SWA4021)
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WN 4021 Denver to Houston Flight Status
Not scheduled today (November 14th, 2026). Latest flight: July 29th, 2026 ; recent history is in the table below.
WN 4021 Flight Status & Schedule Southwest Airlines Denver to Houston
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Jul 29 | DEN | HOU | 06:13 | 09:07 | Landed | Track > |
| Jul 28 | DEN | HOU | 06:26 | 09:24 | Landed | Track > |
| Jul 22 | DEN | HOU | 06:11 | 09:09 | Landed | Track > |
| Jul 21 | DEN | HOU | 06:29 | 09:36 | Landed | Track > |
| Jul 15 | DEN | HOU | 06:21 | 09:16 | Landed | Track > |
| Jul 14 | DEN | HOU | 06:13 | 09:06 | Landed | Track > |
| Jul 08 | DEN | HOU | 06:14 | 09:15 | Landed | Track > |
| Jul 07 | DEN | HOU | 06:19 | 09:10 | Landed | Track > |
| Jul 01 | DEN | HOU | 06:20 | 09:22 | Landed | Track > |
| Jun 30 | DEN | HOU | 06:20 | 09:15 | Landed | Track > |
Southwest Airlines operates WN 4021 from Denver to Houston, a 1,422 km (883 mi) trip. The timetable allows 2 h 30 min, but the flight usually takes about 1 h 55 min, so it often makes up time. It is not flying today; the last flight, on 29 July 2026, landed on time.
About WN 4021
Southwest Airlines Flight WN4021 connects Denver, United States to Houston, United States, taking off from Denver International Airport DEN and landing at Houston William P. Hobby Airport HOU.
- Distance
- 1,422 km (883 mi)
- Typical flight time
- 1 h 55 min
- On time
- 10 of the last 10
WN 4021 FAQ
- How long is the WN4021 flight from Denver to Houston?
- The timetable allows 2 h 30 min. Denver to Houston is 1,422 km (883 mi).
- How often is WN4021 from Denver to Houston late?
- None of the last 10 flights arrived 15 or more minutes late.
- When was the latest WN4021 flight from Denver to Houston?
- The latest WN4021 was the 06:05 (local time) departure from Denver on 29 July 2026; it landed 28 minutes early.
- What other flight numbers does WN4021 have?
- Also listed as SWA4021 (Southwest Airlines' ICAO code) and WN 4021.
WN4021 and Denver DEN to Houston HOU Flights
Other flights departing from Denver DEN: WN4331, WN1517, WN4886
Other flights arriving at Houston HOU: WN204, WN4456, WN4702, WN4896
All flights connecting Denver DEN to Houston HOU.