Originally Posted by
Duke787
You could also go for mid-tier with United if flying into SFO is an option since it looks like UA services both MSN and HLN via DEN plus you get direct service to SFO. Though I haven't dug into the details of their new program so don't fully know how the requirements translate.
I need to look more into this. I don't think I've ever really looked into United as a viable option.