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WN4421

DEN → BOI · Boeing 737-800 · Southwest Airlines

For travellers

Departure · Denver (DEN)

Gate C57
Scheduled 01 Oct 20:55 · Departed 01 Oct 23:50 · +176 min
Board status: Off block
Airborne since 01 Oct 23:47 (ADS-B)

Arrival · Boise (BOI)

Scheduled 01:38 · Landed 01:37
Board status: Arrived Late
Landed 01:36 (ADS-B)

Board data from boi, den, updated 25 min ago; times local to each airport.

Flight

Status
Completed
Arrival confirmed via
ADS-B (ground reading)
Departure
Denver International Airport (DEN) — Denver, United States
Scheduled departure
2026-10-02 02:55 UTC
Departed
2026-10-02 05:47 UTC
Arrival
Boise Air Terminal/Gowen Field (BOI) — Boise, United States
Scheduled arrival
2026-10-02 07:38 UTC
Distance flown
1089 km
Straight-line distance
1042 km
Approach distance
55 km

Aircraft

Registration
N8650F
Type
Boeing 737-800
Seats
175 total (175 Economy)
CO2 (EMEP est., total)
29.2 t (167 kg/pax Economy)

Altitude & speed

Max altitude
36,000 ft
Max ground speed
435 kt
Tracked
1h 50m · 1,086 km
Altitude (ft, max 36,000)
019,44038,8800m30m1h 0m1h 30m
Ground speed (kt, max 435)
02354700m30m1h 0m1h 30m
Altitude (ft, max 36,000)
019,44038,8800m1h 0m
Ground speed (kt, max 435)
02354700m1h 0m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Southwest Airlines (SWA)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-02 05:47 UTC SWA4421 DEN → BOI
Denver → Boise
 N8650F Boeing 737-800 Completed 1089 km
2026-09-30 19:07 UTC SWA4421 AUS → DCA
Austin → Washington
 N8844Q Boeing 737 MAX 8 Completed 2229 km

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