UA166United Airlines · TPE → GUM
live · 48m ago
Route confirmed United Airlines

UA166 TaipeiTPE · 11:15 HagåtñaGUM · 17:10

UA166 by United Airlines flies from Taipei (TPE) to Hagåtña (GUM) for the Sat, Nov 7 departure.

Right nowAwaiting arrival in Hagåtña · off blocks 11:22 · 7 min late
17:10

estimated arrival at GUM · local time · past this estimate · waiting on the board

En routeUA166 · position estimated
TPETaipeiGUMHagåtña
Estimated from the boardsarr 17:10

Board estimate · gate and arrival times. Off blocks 11:22 · typical taxi-out at TPE ≈ 12.8 min. No receiver coverage over open ocean.

Typical gate push+8 minmedian posted departure

Where the minutes go

last 6 operations · gate push → arrival
0+147+293+440 min
11-08
+7 gate
11-07
+7 gate
11-04
+26 gate
10-31
+8 gate
10-28
−7 gate
10-24
+440 gate

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

0 cancelled · 6 operations tracked

The route today

live boards
TPETaipeiOn-time likelyTPE delay board →
GUMHagåtñaHigh riskGUM delay board →
TPE→GUMevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Early read, sample still building
25%Chance of 15+ min delay
1.6%Chance of cancellation
+6 minTypical airport delay in this weather

Conditions at TPE and GUM are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days. This route has few tracked flights so far, so treat this as an early read.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at Taipei

Forecast

Mon 9 Nov, local date

High26°Clikely 25°C to 27°C
Low20°Clikely 18°C to 21°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Hagåtña

Forecast

Mon 9 Nov, local date

High31°Clikely 30°C to 31°C
Low26°Clikely 24°C to 27°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

How UA166 actually runs

Pro Flight Search has tracked every published board update for UA166 across the TPE and GUM boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 6 confirmed departures · 5/6 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA166 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
11-08TPE 11:15 11:22 (+7)GUM 17:10
11-07TPE 11:15 11:22 (+7)GUM 17:10
11-04TPE 11:15 11:41 (+26)GUM 17:10
10-31TPE 11:15 11:23 (+8)GUM 17:10
10-28TPE 11:15 11:08 (−7)GUM 17:10
10-24TPE 11:00 18:20 (+440)GUM 17:20

Aircraft

Recent tails: N17309, N17326, N17322.

Board clocks recorded as TPE and GUM published them.

Planning around UA166? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: UA166 Taipei to Hagåtña on-time performance, measured from the TPE and GUM airport boards.

Canonical URL
https://proflightsearch.com/flight/UA166
How we measure this →