Originally Posted by
CX828
I was on a HKG-YYZ flight in September that was only 13h30 mins, we arrived over 1 hour early, that was nice!
We were on a JFK - HKG flight in September that arrived over 1.5 hour early, but given that we were traveling in F, and arrived in HKG well before the Wing (First Class Lounge) opened, we found that considerably less "nice".

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I've never noted a correlation between increased tailwinds/headwinds and in flight turbulence. Have I been unobservant, or just lucky?