Partner and I planning to fly JFK-LAS in a couple weeks. Plenty of LUT fares available. I have a DL Amex free companion coupon, expiring 1/31. If we use that, will we be able to upgrade the resulting tix? We are both PM, and the flites we're looking at are wide open in F...

Anyone with experience on using the certs and then ?splitting PNRs, or is the fact that one ticket is free mean only one, or neither, of us will get u/g (in which case I'll give it to someone else, or some such.

thanks