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WN3872

SLC → DEN · Boeing 737-800 · Southwest Airlines

For travellers

Departure · Salt Lake City (SLC)

Gate B31
Scheduled 06:00
Board status: Boarding
Airborne since 06:10 (ADS-B)

Arrival · Denver (DEN)

Gate C28 · Baggage belt 1
Scheduled 07:25 · Estimated 07:17 · early
Board status: Early
Landed 08:28 (ADS-B)

Board data from den, slc, updated 17 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
2026-10-02 12:00 UTC
Departed
2026-10-02 12:10 UTC
Arrival
Denver International Airport (DEN) — Denver, United States
Scheduled arrival
2026-10-02 13:25 UTC
Estimated arrival
2026-10-02 13:17 UTC
Distance flown
719 km
Straight-line distance
628 km
Approach distance
34 km

Aircraft

Registration
N8515X
Type
Boeing 737-800
Seats
175 total (175 Economy)
CO2 (EMEP est., total)
16.3 t (93 kg/pax Economy)

Altitude & speed

Max altitude
37,000 ft
Max ground speed
492 kt
Tracked
2h 18m · 716 km
Altitude (ft, max 37,000)
019,98039,9600m30m1h 0m1h 30m2h 0m
Ground speed (kt, max 492)
02665310m30m1h 0m1h 30m2h 0m
Altitude (ft, max 37,000)
019,98039,9600m1h 0m2h 0m
Ground speed (kt, max 492)
02665310m1h 0m2h 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 12:10 UTC SWA3872 SLC → DEN
Salt Lake City → Denver
 N8515X Boeing 737-800 Completed 719 km
2026-10-01 12:13 UTC SWA3872 SLC → DEN
Salt Lake City → Denver
 N8913S Boeing 737 MAX 8 Completed 761 km

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