How long is the UA3978 flight?

The timetable allows 5 h 32 min. Singapore to Guam is 4,687 km (2,912 mi).

What other flight numbers does UA3978 have?

Also listed as UAL3978 (United Airlines' ICAO code) and UA 3978.

UA3978 Flight Status United Airlines: Singapore to Guam (UAL3978)

UA 3978 Singapore to Guam Flight Status

Not scheduled today. Latest flight: March 19th, 2026 ; recent history is in the table below.

UA 3978 Flight Status & Schedule United Airlines Singapore to Guam

Date	From	To	Departure	Arrival	Status	Details
Mar 19	SIN	GUM	12:14	04:21	Diverted	Track >
Mar 06	SIN	GUM	12:31	20:10	Landed Late	Track >
Feb 20	SIN	GUM	12:28	20:10	Delayed	Track >
Feb 19	SIN	GUM	12:22	20:03	Landed Late	Track >
Feb 03	SIN	GUM	12:00	19:32	Delayed >1h	Track >

United Airlines' Singapore–Guam flight covers 4,687 km (2,912 mi). The timetable allows 5 h 32 min; there is not enough recent history yet to say how long it usually takes. It is not flying today; the last flight, on 19 March 2026, was diverted.

< All Singapore SIN Departures All Guam GUM Arrivals >

About UA 3978

Route: Singapore Changi Airport SIN to Guam Antonio B. Won Pat International Airport GUM
Distance: 4,687 km (2,912 mi)
Scheduled flight time: 5 h 32 min

UA 3978 FAQ

How long is the UA3978 flight?: The timetable allows 5 h 32 min. Singapore to Guam is 4,687 km (2,912 mi).
What other flight numbers does UA3978 have?: Also listed as UAL3978 (United Airlines' ICAO code) and UA 3978.

UA3978 and Singapore SIN to Guam GUM Flights

Other flights departing from Singapore SIN: TR938, TR816, TR896

Other flights arriving at Guam GUM: TW515, 5Y8429, S23401, 5Y8429

All flights connecting Singapore SIN to Guam GUM.