Originally Posted by
Genius1
Everyone can check-in online 24 hours before departure.
Economy/Premium Economy passengers can only check-in at airport desks/kiosks or use the fast bag drops 3 hours before departure.
Business/First passengers can check-in at desks/kiosks/use the fast bag drops anytime on day of departure.
Useful to know. But remember this might not be the case for some outstations, if they do not have check in areas manned all day. For example, at DBX, there's no sign of BA staff in the check-in area until 3.5h before departure, class of travel regardless.