Originally Posted by MSPeconomist

There are network issues (coverage of the world, ideally with decent schedules and convenient connections in efficient and pleasant airports) and there are quality issues. For me personally, the SkyTeam network itself has been fine, or at least acceptable. Where I see a lack is in quality of partner airlines overall. I'd also like to be able to get IFC award tickets with my DL miles or upgrade more easily on (more) partners.