Originally Posted by
CPMaverick
Get the SQ PNR from Delta (if you ticketed with Delta). Then pull up the itinerary on SQ website to attach your KF FF#. If that doesn't work then call SQ with the PNR.
Note that if the flight number begins with DL (it is marketed as a DL codeshare), it may not earn anything on SQ. I don't know if DL codeshares with SQ or not.
Thanks for the response. Have you actually tried this before?
I searched the itinerary again and the flight clearly begins with a SQ. It's the same with NH as well.