UAL166

For travellers

Departure · Taipei (TPE)

Terminal T2 · Gate D10 · Check-in 9

Scheduled 11:00 · Departed 11:48 · +49 min

Board status: Flew

Airborne since 12:09 (ADS-B)

Board data from tpe, updated 37 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

Taiwan Taoyuan International Airport (TPE) — Taipei, Taiwan

Scheduled departure

2026-10-03 03:00 UTC

Departed

2026-10-03 04:09 UTC

Arrival

Antonio B. Won Pat International Airport (GUM) — Hagåtña, Guam International Airport, Guam

Also flies as

UA166

Distance flown

3327 km

Straight-line distance

2782 km

Approach distance

33 km

Aircraft

Registration

N27304

Type

Boeing 737 MAX 8

Seats

166 total (96 Economy, 54 Economy Plus, 16 First)

CO2 (EMEP est., total)

55.6 t (326 kg/pax Economy, 428 kg/pax Business)

Altitude & speed

Max altitude

34,000 ft

Max ground speed

488 kt

Tracked

4h 16m · 3,326 km

Altitude (ft, max 34,000)

Ground speed (kt, max 488)

Altitude (ft, max 34,000)

Ground speed (kt, max 488)

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

United Airlines (UAL)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-03 04:09 UTC	UAL166	TPE → GUM Taipei → Hagåtña, Guam International Airport	N27304	Boeing 737 MAX 8	Completed	3327 km
2026-10-03 00:38 UTC	UAL166	GUM → TPE Hagåtña, Guam International Airport → Taipei	N27304	Boeing 737 MAX 8	Completed	725 km
2026-09-30 03:23 UTC	UAL166	TPE → GUM Taipei → Hagåtña, Guam International Airport	N17302	Boeing 737 MAX 8	Completed	2861 km
2026-09-26 03:34 UTC	UAL166	TPE → GUM Taipei → Hagåtña, Guam International Airport	N27304	Boeing 737 MAX 8	Incomplete (signal lost)	~3526 km est. (891 km recorded)
2026-09-23 03:00 UTC	UAL166	TPE → GUM Taipei → Hagåtña, Guam International Airport	N17309	Boeing 737 MAX 8	Completed (landing presumed)	3178 km
2026-09-19 03:23 UTC	UAL166	TPE → GUM Taipei → Hagåtña, Guam International Airport	N17302	Boeing 737 MAX 8	Completed	328 km
2026-09-16 03:01 UTC	UAL166	TPE → GUM Taipei → Hagåtña, Guam International Airport	N17329	Boeing 737 MAX 8	Incomplete (signal lost)	~2869 km est. (346 km recorded)
2026-09-12 02:55 UTC	UAL166	TPE → GUM Taipei → Hagåtña, Guam International Airport	N17309	Boeing 737 MAX 8	Completed	2866 km
2026-09-05 02:53 UTC	UAL166	TPE → GUM Taipei → Hagåtña, Guam International Airport	N17303	Boeing 737 MAX 8	Completed	2985 km
2026-09-02 02:56 UTC	UAL166	TPE → GUM Taipei → Hagåtña, Guam International Airport	N17302	Boeing 737 MAX 8	Completed	~3062 km est. (940 km recorded)
2026-08-29 02:53 UTC	UAL166	TPE → GUM Taipei → Hagåtña, Guam International Airport	N17329	Boeing 737 MAX 8	Completed	3249 km
2026-08-26 02:50 UTC	UAL166	TPE → GUM Taipei → Hagåtña, Guam International Airport	N17329	Boeing 737 MAX 8	Completed	2840 km
2026-08-22 02:57 UTC	UAL166	TPE → GUM Taipei → Hagåtña, Guam International Airport	N73283	Boeing 737-800	Completed	2955 km
2026-08-19 03:09 UTC	UAL166	TPE → ? Taipei → ?	N17303	Boeing 737 MAX 8	Completed	2501 km
2026-08-15 03:03 UTC	UAL166	TPE → ? Taipei → ?	N37293	Boeing 737-800	Completed	2217 km