TG639 Hong KongHKG · 19:05 BangkokBKK
TG639 by Thai Airways flies from Hong Kong (HKG) to Bangkok (BKK) for the Wed, Sep 2 departure.
departs HKG · on schedule
board checked 18m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at HKG and BKK are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.
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 Hong Kong to Bangkok flights today
same route · Thai AirwaysIf TG639 is cancelled, these are the other Thai Airways nonstop flights from Hong Kong to Bangkok on the same day, with scheduled departure times in HKG local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How TG639 actually runs
Pro Flight Search has tracked every published board update for TG639 across the HKG and BKK boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at HKG and BKK.
The verdict above is that record speaking, so it reflects how TG639 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around TG639? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — TG639 Hong Kong to Bangkok on-time performance, measured from the HKG and BKK airport boards.
https://proflightsearch.com/flight/TG639
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