WN1921 Flight Status Southwest Airlines: Seattle to Denver (SWA1921)
WN 1921 Seattle to Denver Flight Status
Not scheduled today. Latest flight: September 27th, 2026 ; recent history is in the table below.
- This flight started in Oakland (OAK): WN1921 Oakland to Seattle departs at 06:10 local time on Sep 27.
WN 1921 Flight Status & Schedule Southwest Airlines Seattle to Denver
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Sep 27 | SEA | DEN | 09:14 | 12:23 | Landed | Track > |
| Sep 20 | SEA | DEN | 09:13 | 12:30 | Landed | Track > |
| Sep 13 | SEA | DEN | 09:51 | 12:55 | Landed Late | Track > |
| Aug 30 | SEA | DEN | 09:22 | 12:30 | Landed | Track > |
| Aug 23 | SEA | DEN | 10:05 | 13:13 | Landed Late | Track > |
| Aug 16 | SEA | DEN | 09:16 | 12:30 | Landed | Track > |
| Aug 09 | SEA | DEN | 09:09 | 12:25 | Landed | Track > |
Southwest Airlines flight WN 1921 links Seattle and Denver, 1,645 km (1,022 mi) apart. Its timetable allows 2 h 40 min; in practice it usually takes about 2 h 10 min, so it often makes up time. It is not flying today; the last flight, on 27 September 2026, landed on time.
About WN 1921
Southwest Airlines Flight WN1921 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)
- Typical flight time
- 2 h 10 min
- On time
- 5 of the last 7
- Average delay when late
- 29 min
WN 1921 FAQ
- How long is the WN1921 flight from Seattle to Denver?
- The timetable allows 2 h 40 min. Seattle to Denver is 1,645 km (1,022 mi).
- How often is WN1921 from Seattle to Denver late?
- 2 of the last 7 flights arrived 15 or more minutes late; when late, by 29 minutes on average.
- When was the latest WN1921 flight from Seattle to Denver?
- The latest WN1921 was the 08:55 (local time) departure from Seattle on 27 September 2026; it landed 12 minutes early.
- What other flight numbers does WN1921 have?
- Also listed as SWA1921 (Southwest Airlines' ICAO code) and WN 1921.
WN1921 and Seattle SEA to Denver DEN Flights
Other flights departing from Seattle SEA: QX2044, WN4516, QX2239, WN3409
Other flights arriving at Denver DEN: WN214, WN1527, UA5813
All flights connecting Seattle SEA to Denver DEN.