SWA3873

For travellers

Departure · Salt Lake City (SLC)

Gate B38

Scheduled 08:15

Board status: On Time

Airborne since 08:32 (ADS-B)

Board data from slc, updated 90 min ago; times local to each airport.

Flight

Status

In progress

Departure

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

Scheduled departure

2026-10-02 14:15 UTC

Departed

2026-10-02 14:32 UTC

Arrival

Denver International Airport (DEN) — Denver, United States (scheduled)

Progress

40% · ~29m remaining

Also flies as

WN3873

Distance flown

280 km

Straight-line distance

628 km

Aircraft

Registration

N8520Q

Type

Boeing 737-800

Seats

175 total (175 Economy)

CO2 (EMEP est., total)

16.3 t (93 kg/pax Economy)

Altitude & speed

Max altitude

35,000 ft

Max ground speed

476 kt

Tracked

1h 14m · 280 km

Note

still in progress - the track so far

Altitude (ft, max 35,000)

Ground speed (kt, max 476)

Altitude (ft, max 35,000)

Ground speed (kt, max 476)

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

Airlines

Airsprint (ASP)

Southwest Airlines (SWA)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 14:32 UTC	SWA3873	SLC → DEN Salt Lake City → Denver	N8520Q	Boeing 737-800	In progress	~628 km est.
2026-10-01 14:12 UTC	SWA3873	SLC → DEN Salt Lake City → Denver	N8551Q	Boeing 737-800	Completed (landing confirmed by airport data)	760 km
2026-09-30 15:13 UTC	SWA3873	DEN → BZN Denver → Bozeman	N475WN	Boeing 737-700	Completed	906 km
2026-09-28 14:06 UTC	SWA3873	SJU → MCO San Juan → Orlando	N8908Q	Boeing 737 MAX 8	Completed	2030 km
2026-09-27 13:56 UTC	SWA3873	HOU → PHX Houston → Phoenix	N1807U	Boeing 737 MAX 8	Completed	1720 km
2026-09-26 22:23 UTC	SWA3873	SAT → LAS San Antonio → Las Vegas	N8329B	Boeing 737-800	Completed	1794 km
2026-09-25 14:16 UTC	SWA3873	SJU → MCO San Juan → Orlando	N8797Q	Boeing 737 MAX 8	Completed	1994 km
2026-09-24 14:12 UTC	SWA3873	SJU → MCO San Juan → Orlando	N8910Q	Boeing 737 MAX 8	Completed (landing confirmed by airport data)	~1959 km est. (105 km recorded)
2026-09-23 15:30 UTC	SWA3873	DEN → BZN Denver → Bozeman	N7889A	Boeing 737-700	Completed	901 km
2026-09-22 15:00 UTC	SWA3873	DEN → BZN Denver → Bozeman	N7847A	Boeing 737-700	Completed	924 km
2026-09-21 16:03 UTC	SWA3873	? → MCO ? → Orlando	N8702L	Boeing 737 MAX 8	Completed	609 km
2026-09-21 14:23 UTC	SWA3873	SJU → MCO San Juan → Orlando	N8702L	Boeing 737 MAX 8	Completed (landing confirmed by airport data)	~1963 km est. (612 km recorded)
2026-09-20 13:50 UTC	SWA3873	HOU → PHX Houston → Phoenix	N8779Q	Boeing 737 MAX 8	Completed	1830 km
2026-09-19 22:41 UTC	SWA3873	SAT → LAS San Antonio → Las Vegas	N8320J	Boeing 737-800	Completed	1875 km
2026-09-18 14:54 UTC	SWA3873	SJU → MCO San Juan → Orlando	N8538V	Boeing 737-800	Completed	2210 km
2026-09-17 14:34 UTC	SWA3873	SJU → MCO San Juan → Orlando	N871HK	Boeing 737 MAX 8	Completed	1968 km
2026-09-16 14:53 UTC	SWA3873	DEN → BZN Denver → Bozeman	N922WN	Boeing 737-700	Completed	979 km
2026-09-15 15:15 UTC	SWA3873	DEN → BZN Denver → Bozeman	N7885A	Boeing 737-700	Completed	953 km
2026-09-13 13:51 UTC	SWA3873	HOU → PHX Houston → Phoenix	N8910Q	Boeing 737 MAX 8	Completed	1819 km
2026-09-12 22:17 UTC	SWA3873	SAT → LAS San Antonio → Las Vegas	N8584Z	Boeing 737-800	Completed	1891 km
2026-09-11 14:10 UTC	SWA3873	SJU → MCO San Juan → Orlando	N8957Q	Boeing 737 MAX 8	Completed	2312 km
2026-09-10 16:09 UTC	SWA3873	? → MCO ? → Orlando	N8963Q	Boeing 737 MAX 8	Completed	690 km
2026-09-10 14:28 UTC	SWA3873	SJU → MCO San Juan → Orlando	N8963Q	Boeing 737 MAX 8	Completed (landing confirmed by airport data)	~1968 km est. (656 km recorded)
2026-09-07 14:42 UTC	SWA3873	SJU → MCO San Juan → Orlando	N8859Q	Boeing 737 MAX 8	Completed	2027 km
2026-09-06 14:58 UTC	SWA3873	HOU → PHX Houston → Phoenix	N8835Q	Boeing 737 MAX 8	Completed	1768 km
2026-09-05 22:04 UTC	SWA3873	SAT → LAS San Antonio → Las Vegas	N8301J	Boeing 737-800	Completed	1856 km
2026-09-04 14:13 UTC	SWA3873	SJU → MCO San Juan → Orlando	N8943Q	Boeing 737 MAX 8	Completed	2017 km
2026-09-03 14:45 UTC	SWA3873	SJU → MCO San Juan → Orlando	N8717M	Boeing 737 MAX 8	Completed	2048 km
2026-09-02 14:54 UTC	SWA3873	DEN → BZN Denver → Bozeman	N291WN	Boeing 737-700	Completed	859 km
2026-09-01 14:44 UTC	SWA3873	DEN → BZN Denver → Bozeman	N7702A	Boeing 737-700	Completed	997 km
2026-08-31 14:23 UTC	SWA3873	SJU → MCO San Juan → Orlando	N8971L	Boeing 737 MAX 8	Completed	2061 km
2026-08-30 13:41 UTC	SWA3873	HOU → PHX Houston → Phoenix	N8954Q	Boeing 737 MAX 8	Completed	1734 km
2026-08-29 22:14 UTC	SWA3873	SAT → LAS San Antonio → Las Vegas	N8320J	Boeing 737-800	Completed	1841 km
2026-08-28 14:12 UTC	SWA3873	SJU → MCO San Juan → Orlando	N8924Q	Boeing 737 MAX 8	Completed	2103 km
2026-08-27 14:24 UTC	SWA3873	SJU → MCO San Juan → Orlando	N8889Q	Boeing 737 MAX 8	Completed	2073 km
2026-08-26 15:08 UTC	SWA3873	DEN → BZN Denver → Bozeman	N927WN	Boeing 737-700	Completed	956 km
2026-08-25 14:59 UTC	SWA3873	DEN → BZN Denver → Bozeman	N7732A	Boeing 737-700	Completed	972 km
2026-08-24 14:11 UTC	SWA3873	SJU → MCO San Juan → Orlando	N8901Q	Boeing 737 MAX 8	Completed	2069 km
2026-08-23 13:48 UTC	SWA3873	HOU → PHX Houston → Phoenix	N8669B	Boeing 737-800	Completed	2307 km
2026-08-21 14:40 UTC	SWA3873	SJU → MCO San Juan → Orlando	N8921Q	Boeing 737 MAX 8	Completed	2283 km
2026-08-20 14:22 UTC	SWA3873	SJU → MCO San Juan → Orlando	N8693A	Boeing 737-800	Completed	~4102 km est. (3215 km recorded)
2026-08-19 15:12 UTC	SWA3873	DEN → BZN Denver → Bozeman	N7743B	Boeing 737-700	Completed	2825 km
2026-08-18 14:49 UTC	SWA3873	DEN → BZN Denver → Bozeman	N215WN	Boeing 737-700	Completed	2942 km
2026-08-17 14:15 UTC	SWA3873	SJU → MCO San Juan → Orlando	N8808Q	Boeing 737 MAX 8	Completed	3052 km
2026-08-16 13:53 UTC	SWA3873	HOU → PHX Houston → Phoenix	N8976K	Boeing 737 MAX 8	Completed	2444 km
2026-08-15 08:27 UTC	SWA3873	LAX → LAS Los Angeles → Las Vegas	N8954Q	Boeing 737 MAX 8	Completed	12877 km
2026-08-14 14:18 UTC	SWA3873	SJU → MCO San Juan → Orlando	N8988S	Boeing 737 MAX 8	Completed	~3949 km est. (2392 km recorded)
2026-08-12 15:11 UTC	SWA3873	DEN → BZN Denver → Bozeman	N250WN	Boeing 737-700	Completed	1488 km
2026-08-11 14:35 UTC	SWA3873	DEN → BZN Denver → Bozeman	N7885A	Boeing 737-700	Completed	1346 km