WN4578 Flight Status Southwest Airlines: Denver to Tucson (SWA4578)
Are you looking for the November 3rd, 2026 WN 4578 San Francisco to Denver flight? Go to our WN4578 San Francisco to Denver Flight Status page >
WN 4578 Denver to Tucson Flight Status
Not scheduled today (November 3rd, 2026). Latest flight: September 30th, 2026 ; recent history is in the table below.
WN 4578 Flight Status & Schedule Southwest Airlines Denver to Tucson
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Sep 30 | DEN | TUS | 23:21 | 23:50 | Delayed | Track > |
| Sep 29 | DEN | TUS | 21:12 | 21:53 | Landed | Track > |
| Sep 28 | DEN | TUS | 23:03 | 23:42 | Delayed | Track > |
| Sep 27 | DEN | TUS | 22:02 | 22:41 | Landed Late | Track > |
| Sep 25 | DEN | TUS | 22:30 | 23:02 | Delayed | Track > |
| Sep 24 | DEN | TUS | 21:52 | 22:28 | Landed Late | Track > |
| Sep 23 | DEN | TUS | 21:21 | 21:58 | Landed | Track > |
| Sep 22 | DEN | TUS | 21:31 | 22:12 | Landed | Track > |
| Sep 21 | DEN | TUS | 21:59 | 22:34 | Landed Late | Track > |
| Sep 20 | DEN | TUS | 21:53 | 22:32 | Landed Late | Track > |
Southwest Airlines flight WN 4578 links Denver and Tucson, 1,029 km (639 mi) apart. With 2 h 5 min in the timetable and a usual flight time of about 1 h 40 min, it often makes up time. It is not flying today; the last flight was scheduled on 30 September 2026.
About WN 4578
- Distance
- 1,029 km (639 mi)
- Typical flight time
- 1 h 40 min
- On time
- 3 of the last 7
- Average delay when late
- 34 min
WN 4578 FAQ
- How long is the WN4578 flight?
- The timetable allows 2 h 5 min. Denver to Tucson is 1,029 km (639 mi).
- How often is WN4578 late?
- 4 of the last 7 flights arrived 15 or more minutes late; when late, by 34 minutes on average.
- What other flight numbers does WN4578 have?
- Also listed as SWA4578 (Southwest Airlines' ICAO code) and WN 4578.
WN4578 and Denver DEN to Tucson TUS Flights
Other flights departing from Denver DEN: WN4734, WN168, WN4346, WN4510
Other flights arriving at Tucson TUS: OO3160, WN4381, AA6367, A82924
All flights connecting Denver DEN to Tucson TUS.