Live tracking not available yet
UA166 has a schedule in our database but isn't on the airport board right now. Live position data typically appears within a few hours of departure.
Flight Status
Scheduled
Route Info
TPE
Taiwan Taoyuan International Airport
Taoyuan
TT2 Gate D9 Scheduled 11:00 AM
Actual 11:36 AM
GUM
Antonio B. Won Pat International Airport
Hagåtña
TMAIN Gate 21 Scheduled 4:50 PM
Actual 4:55 PM
Baggage claim 2
3h 50m flight time
Wed Sat
Recent Flights
Last 2 observedMar 11
Wed
TPE
GUM
Dep 11:00:00
(actual 11:27:00)
738
Boarding
Mar 07
Sat
TPE
GUM
Dep 11:00:00
(actual 11:22:00)
738
In Air
Schedule
Operates
Wed Sat
Departure
11:00 AM
Arrival
4:50 PM
Duration
3h 50m
Aircraft
B38M
Terminal
TT2
TMAIN
Gate
D9
21
Actual
11:36
16:55
Baggage
Carousel 2
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Sat, Mar 21
Wed, Mar 25
Sat, Mar 28
Wed, Apr 1
Sat, Apr 4
Wed, Apr 8
Sat, Apr 11
Schedule valid
Mar 18 —
Jun 13, 2026