UA197 TokyoNRT · 17:00 HagåtñaGUM · 21:50
UA197 by United Airlines flies from Tokyo (NRT) to Hagåtña (GUM) for the Thu, Sep 10 departure.
estimated arrival at GUM · local time · ~1h 42m from now
board checked 4m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 17:27 · typical taxi-out at NRT ≈ 8.2 min. No receiver coverage over open ocean.
Where the minutes go
last 7 operations · gate push → arrivalThe 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 operation0 cancelled · 10 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Early read, sample still buildingDriven mainly by NRT (Tokyo), currently flying MVFR (marginal visual). For this route and airline, under conditions like today's, over the last 90 days. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Tokyo to Hagåtña flights today
same route · United AirlinesIf UA197 is cancelled, these are the other United Airlines nonstop flights from Tokyo to Hagåtña on the same day, with scheduled departure times in NRT local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA197 actually runs
Pro Flight Search has tracked every published board update for UA197 across the NRT and GUM boards: schedule changes, gate pushes and actual clocks. Usually departs ~6 min early. Based on 10 confirmed departures · 8/10 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA197 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N17316, N17309, N17329, N17306.
Board clocks recorded as NRT and GUM published them.
Planning around UA197? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA197 Tokyo to Hagåtña on-time performance, measured from the NRT and GUM airport boards.
https://proflightsearch.com/flight/UA197