| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| 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 Flight UA3978 connects Singapore, Singapore to Guam, Guam, taking off from Singapore Changi Airport SIN and landing at Guam Antonio B. Won Pat International Airport GUM.
How long is the UA3978 flight from Singapore to Guam?
The average flight time from Singapore to Guam is 7 hours and 21 minutes. The flight distance is 4687 km / 2912 miles and the average flight speed is 728 km/h / 452 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3978 Singapore to Guam?
The Airportia On-Time Performance Rating for United Airlines Flight UA3978 is 4.3/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA3978 flight?
The latest flight took off on Thursday, March 19th, 2026 with the flight status being Diverted on 04:21.
How else can the flight UA3978 be referenced as?
This United Airlines flight can also be referenced as UAL3978, UA 3978, UAL 3978.
How often is flight UA3978 delayed?
On average, 80% of all UA3978 flights are delayed. The average delay is 53 minutes.
See our UA3978 Flight Tracker above for more details.
Other flights departing from Singapore SIN: TR938, TR816, TR896, CX690
Other flights arriving at Guam GUM: UA874, 5Y8429, S23401, 5Y8429
All flights connecting Singapore SIN to Guam GUM.