Originally Posted by jdlnorge

Thanks, all. Integration issues seems like the likely cause. The flight is booked into SAS Business Smart (D class), and DL states that we are confirmed on the BOS-IND flight in domestic first with no apparent ticketing issues. For whatever reason, it seems like advanced seat selection is just not possible. Flight is SK coded.

UPDATE: I just called again. They were able to assign seats today (T-5 days before departure)...of course once the Platinums took the good seats! I assume they have additional control now that departure is approaching.