Sometimes not and yes. Online ticket purchases are routed through a protocol which has an earlier cut off time after which the ticket is in “airport control” an

Sometimes not and yes. Online ticket purchases are routed through a protocol which has an earlier cut off time after which the ticket is in “airport control” and purchased or changes happen in-person. https://travel.stackexchange.com/questions/111197/what-does-it-mean-when-a-ticket-is-under-airport-control https://travel.stackexchange.com/questions/111197/what-does-...