Originally Posted by
brewdog11
Flying BOS-JFK-YVR soon all on the same itinerary, with the BOS-JFK segment on AA and the JFK-YVR segment on CX in F. I will be arriving at JFK well before the CX desk opens, so I was wondering if I'd have access to the Flagship Lounge at JFK. Will I be allowed access by virtue of being in CX 3-class F, even though it's just a US-Canada flight? Just wanted to check for anecdotes (and maybe help others who just burned all their miles before the 3/22 mark on CX flights

).
It's likely that AA will print you the JFK-YVR boarding pass when you check in at BOS, so you may be able to get to the T7 lounge even before the CX counter opens.