Originally Posted by
denverhockeyguy
It's a US carrier with US rules... 21.
Not disputing you, or the rule (and I don''t want to fan the fuel of the 21 age min. for drinking)...
but: would this still apply for flights that don't even touch the US, like the OP? (SIN/SGN-HKG, etc).
How could this possibly be enforced?