AirAsia is Asia 's largest budget carrier , with hubs in Malaysia , Thailand , Japan and Indonesia . Select Delta X flights are given kid - free zones in the front rows . Children under five are banned from the first seven rows of economy class on some flights . The new ` ` Quiet Zone '' offering debuted this year .
Select Delta X flights are given kid - free zones in the front rows . Children under five are banned from the first seven rows of economy class on some flights . The new ` ` Quiet Zone '' offering debuted this year .