Originally Posted by
the810
This used to be possible until recently, but SkyTeam went cheap and introduced 3-hrs limit on lounge usage from 1 April. Therefore you won't be able to access the lounge at 11:15 for a flight at 21:00.
The 3 hour lounge access limit is only enforced when access is bought at the lounge entrance.
Any other valid BP (or access bought in advance) will allow you to enter the lounge.
That was the case end of September at 2F.