As many know from previous posts this year I will be short status on CO. However, next year I already have a V fare on AF to AGP, a CO F EWR-FCO, and a EWR-LAS also on CO K fare. This is just my leisure plans thus far. The issue is that CO doesn't accept 100%, only 50% on AF V fares but SkyMiles does the whole 100%. That alone is a difference of 5K. Plus SkyMiles will count 100% of my CO travel towards medallion. I am considering logging my miles on DL next year. Those 3 flights alone will be about 27K. Then do a status match on CO for Silver. And work towards gold on OP. The 27K makes no differnce to me. I have well over 100K in my OP account. I'll make that up with the shopping and CC partners plus promos over the year. What do you experts think. By the way, my business travel will be cut nearly 2/3 next year. So even though 5K is just a transcon, I can't count on it. Don't forget, I do mostly the EWR-RIC on the ERJ...