Originally Posted by
redtailshark
Yes, all CM flights are EUA eligible. They have C, Int'l Biz, and no BF-designation for any of their services. What's more, your odds of UG are good. I've just done one of the IAD-PTY-MEX-PTY-LAX runs on CM, all UG - two in the PC on DOD, others at 5 days out. However, it's a long time to spend in the cabin of 738s, F or no.
A while ago I flew CM from PTY to EZE on paid C (they had an amazing last-minute fare that was significantly cheaper than AA & LA's Y) and it was ok, though certainly far from being comfortable.