Originally Posted by
Aeroflot_geek
AirFrance uses for CDG-CUN a 77W with small business class for 14 seats (which are almost always sold out). Therefore probably it was fully occupied before Check in.
For example, CDG-MEX there is a 77W with 58 business class seats and there is more possibility for Upgrade
Sure, not even Y+, not even map showing higher classes although occupied.