This is sort of a seating question, because I am platinum and usually get offered an economy comfort seat on flights within Europe. I have booked a trip starting tomorrow with my partner, both on the same PNR, booked directly with KLM not through an OTA. Two separate check-in emails have been sent to me, one for each passenger. Is it possible to check in both passengers at the same time, or do we have to do it separately? The issue is that while I am offered a comfort seat, my partner will not be (SU base member). The other option is just to check in at the airport tomorrow morning (GVA). Will we risk being seated separately?