Originally Posted by
ijgordon
That makes no sense. You're implying that the PNR/reservation remains intact, so you'd still have a PNR with space reserved for 3 passengers, even if one of the tickets is "cancelled" (I don't even think you can "cancel" a ticket...).
I'll go with my guess and TJT's confirmation. @:-)
The ticket does get cancelled in the sense that the status of the electronic flight coupons goes from OK to NOGO after a no-show, which renders the ticket effectively worthless and unusable, and basically no one can bring it back from the dead once that happens.