WN428 Flight Status Southwest Airlines: Seattle to Denver (SWA428)
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WN 428 Seattle to Denver Flight Status
Not scheduled today (November 14th, 2026). Latest flight: September 26th, 2026 ; recent history is in the table below.
WN 428 Flight Status & Schedule Southwest Airlines Seattle to Denver
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Sep 26 | SEA | DEN | 13:12 | 16:25 | Landed | Track > |
| Sep 19 | SEA | DEN | 14:05 | 17:17 | Delayed | Track > |
| Sep 12 | SEA | DEN | 13:55 | 16:59 | Landed Late | Track > |
| Sep 05 | SEA | DEN | 13:12 | 16:39 | Landed | Track > |
| Aug 29 | SEA | DEN | 13:05 | 16:47 | Diverted | Track > |
| Aug 22 | SEA | DEN | 14:54 | 18:17 | Delayed | Track > |
| Aug 15 | SEA | DEN | 16:35 | 16:25 | Unknown | Track > |
| Aug 08 | SEA | DEN | 13:11 | 16:57 | Landed Late | Track > |
Southwest Airlines flight WN 428 links Seattle and Denver, 1,645 km (1,022 mi) apart. The timetable allows 2 h 45 min; there is not enough recent history yet to say how long it usually takes. It is not flying today; the last flight, on 26 September 2026, landed on time.
About WN 428
Southwest Airlines Flight WN428 connects Seattle, United States to Denver, United States, taking off from Seattle Tacoma International Airport SEA and landing at Denver International Airport DEN.
- Distance
- 1,645 km (1,022 mi)
- Scheduled flight time
- 2 h 45 min
- On time
- 2 of the last 5
- Average delay when late
- 33 min
WN 428 FAQ
- How long is the WN428 flight from Seattle to Denver?
- The timetable allows 2 h 45 min. Seattle to Denver is 1,645 km (1,022 mi).
- How often is WN428 from Seattle to Denver late?
- 2 of the last 5 flights arrived 15 or more minutes late and 1 was diverted; when late, by 33 minutes on average.
- When was the latest WN428 flight from Seattle to Denver?
- The latest WN428 was the 12:40 (local time) departure from Seattle on 26 September 2026; it landed on time.
- What other flight numbers does WN428 have?
- Also listed as SWA428 (Southwest Airlines' ICAO code) and WN 428.
WN428 and Seattle SEA to Denver DEN Flights
Other flights departing from Seattle SEA: QX2144, AS672, OO3015, WN2825
Other flights arriving at Denver DEN: WN2583, LF3340, WN379, WN3662
All flights connecting Seattle SEA to Denver DEN.