Originally Posted by
SK AAR
Most likely the Aegean flight is not on TK ticket stock, but OP purchased a separate Aegean ticket for IST-ATH. Just my assumption/what would be the most likely scenario when on separate tickets.
Anyway, TK check-in staff at LAX will most likely tag checked luggage to final destination if OP asks nicely. There is no guarantee but the chance is high in my experience.
OP mentioned: both booked through TK. But I agree with you, in theory its possible, all depends on check-in agent however...