WN3877

For travellers

Departure · Salt Lake City (SLC)

Gate B33

Scheduled 01 Oct 16:30

Board status: Boarding

Airborne since 01 Oct 16:42 (ADS-B)

Arrival · Denver (DEN)

Gate C27 · Baggage belt 6

Scheduled 01 Oct 18:00 · Landed 01 Oct 18:13 · +13 min

Board status: Arrived

Landed 01 Oct 18:06 (ADS-B)

Board data from den, slc, updated 370 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

Salt Lake City International Airport (SLC) — Salt Lake City, United States

Scheduled departure

2026-10-01 22:30 UTC

Departed

2026-10-01 22:42 UTC

Arrival

Denver International Airport (DEN) — Denver, United States

Scheduled arrival

2026-10-02 00:00 UTC

Estimated arrival

2026-10-02 00:04 UTC

Distance flown

759 km

Straight-line distance

628 km

Approach distance

42 km

Aircraft

Registration

N8608N

Type

Boeing 737-800

Seats

175 total (175 Economy)

CO2 (EMEP est., total)

16.3 t (93 kg/pax Economy)

Altitude & speed

Max altitude

31,000 ft

Max ground speed

517 kt

Tracked

2h 1m · 757 km

Altitude (ft, max 31,000)

Ground speed (kt, max 517)

Altitude (ft, max 31,000)

Ground speed (kt, max 517)

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

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-01 22:42 UTC	SWA3877	SLC → DEN Salt Lake City → Denver	N8608N	Boeing 737-800	Completed	759 km
2026-09-30 21:04 UTC	SWA3877	PHX → SMF Phoenix → Sacramento	N950WN	Boeing 737-700	Completed	1147 km
2026-09-30 17:13 UTC	SWA3877	STL → PHX St Louis → Phoenix	N950WN	Boeing 737-700	Completed	2115 km
2026-09-30 15:18 UTC	SWA3877	MDW → STL Chicago → St Louis	N950WN	Boeing 737-700	Completed	474 km
2026-09-29 21:51 UTC	SWA3877	PHX → SMF Phoenix → Sacramento	N8848Q	Boeing 737 MAX 8	Completed	1158 km
2026-09-29 17:22 UTC	SWA3877	STL → PHX St Louis → Phoenix	N497WN	Boeing 737-700	Completed	2115 km
2026-09-28 16:54 UTC	SWA3877	STL → PHX St Louis → Phoenix	N8669B	Boeing 737-800	Completed	2110 km
2026-09-26 16:59 UTC	SWA3877	STL → PHX St Louis → Phoenix	N8322X	Boeing 737-800	Completed	2127 km
2026-09-25 16:44 UTC	SWA3877	STL → PHX St Louis → Phoenix	N8694E	Boeing 737-800	Completed	2162 km
2026-09-24 16:57 UTC	SWA3877	STL → PHX St Louis → Phoenix	N8626B	Boeing 737-800	Completed	2102 km
2026-09-23 20:50 UTC	SWA3877	PHX → SMF Phoenix → Sacramento	N7888A	Boeing 737-700	Completed	1185 km
2026-09-22 20:51 UTC	SWA3877	PHX → SMF Phoenix → Sacramento	N8861Q	Boeing 737 MAX 8	Completed	1152 km
2026-09-21 16:43 UTC	SWA3877	STL → PHX St Louis → Phoenix	N8317M	Boeing 737-800	Completed	2119 km
2026-09-19 16:21 UTC	SWA3877	STL → PHX St Louis → Phoenix	N8907L	Boeing 737 MAX 8	Completed	2233 km
2026-09-18 16:21 UTC	SWA3877	STL → PHX St Louis → Phoenix	N8660A	Boeing 737-800	Completed	2206 km
2026-09-17 17:04 UTC	SWA3877	STL → PHX St Louis → Phoenix	N8670A	Boeing 737-800	Completed	2222 km