This is how Delta works as well domestically. It's kind of a bummer especially for those of us that commute. You are flying standby so you are almost always last to board which means there is no room for your bag. You are forced to check it to your destination, but then there's always the chance you'll miss your next flight and get stuck at the hub with no stuff. Worse case scenario you never get to your destination. Non-revving is extremely difficult these days if not impossible with a family.