Originally Posted by
Lefly
Not necessarily
In my two OTP-PHX trip the requirement was that for the TATL flight to be on the first Sunday. So one can leave PHX on the Saturday, but the US-EU flight (JFK-LHR in that case) can't be the same day.
Yes I'm aware, I just thought that as
IAANN seems to be having some difficulty finding the fare they want that I would keep it simple.