UA4721

For travellers

Gate B88

Scheduled 02 Oct 19:12 · Departed 02 Oct 19:17 · +5 min

Board status: Off block

Airborne since 02 Oct 19:45 (ADS-B)

Board data from den, updated 2 min ago; times local to each airport.

Status

Incomplete (signal lost)

Departure

Denver International Airport (DEN) — Denver, United States

Scheduled departure

2026-10-03 01:12 UTC

Departed

2026-10-03 01:45 UTC

Arrival

Williston Basin International Airport (XWA) — Williston, United States (scheduled)

Distance flown

957 km

Straight-line distance

937 km

Approach distance

42 km

Registration

Type

BOMBARDIER / CANADAIR CRJ-700

Seats

70 total (48 Economy, 16 Economy Plus, 6 First)

Max altitude

37,025 ft

Max ground speed

451 kt

Tracked

1h 17m · 957 km

Altitude (ft, max 37,025)

Ground speed (kt, max 451)

Altitude (ft, max 37,025)

Ground speed (kt, max 451)

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.

Skywest Airlines (SKW)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-03 01:45 UTC	SKW488X	DEN → XWA Denver → Williston	N530GJ	BOMBARDIER / CANADAIR CRJ-700	Incomplete (signal lost)	957 km
2026-10-02 19:54 UTC	SKW4721	PSC → DEN Pasco → Denver	N163SY	EMBRAER EMB175	Completed (landing confirmed by airport data)	1416 km
2026-10-02 01:48 UTC	SKW488X	DEN → XWA Denver → Williston	N791SK	BOMBARDIER / CANADAIR CRJ-700	Incomplete (signal lost)	957 km
2026-10-01 20:53 UTC	SKW4721	PSC → DEN Pasco → Denver	N160SY	EMBRAER EMB175	Completed (landing confirmed by airport data)	1480 km
2026-10-01 01:52 UTC	SKW488X	DEN → XWA Denver → Williston	N782SK	BOMBARDIER / CANADAIR CRJ-700	Incomplete (signal lost)	~992 km est. (670 km recorded)
2026-09-30 20:06 UTC	SKW4721	PSC → DEN Pasco → Denver	N121SY	EMBRAER EMB175	Completed (landing confirmed by airport data)	1519 km
2026-09-30 01:13 UTC	SKW488X	DEN → XWA Denver → Williston	N789SK	BOMBARDIER / CANADAIR CRJ-700	Incomplete (signal lost)	~994 km est. (717 km recorded)
2026-09-29 20:06 UTC	SKW4721	PSC → DEN Pasco → Denver	N165SY	EMBRAER EMB175	Completed	1468 km
2026-09-29 01:19 UTC	SKW488X	DEN → XWA Denver → Williston	N788SK	BOMBARDIER / CANADAIR CRJ-700	Incomplete (signal lost)	~1149 km est. (789 km recorded)