Originally Posted by
MSPeconomist
That's going to be one of my next steps, although IIRC you can check the ticket there and not the reservation.
I'll also need to do something to get the KLM PNR as one receipt says ARPT rather than OPEN for that segment, with no seat assignment.
I think KLM segments always say ARPT.
KLM.com also accepts Delta PNRs in my experience (and then displays the KLM PNR).