Originally Posted by
Carolinian
As a NW/DL refugee, still with miles there that I am desperately trying to burn, this question is a no-brainer. Sorta like, where should I go to the beach, Hawaii or Wyoming? DL redemptions are horrible. Avoid that airline like the plague.
If your goal is simply redemptions, I may agree.
However, if your goal is domestic upgrades, I echo
ffI and
channa. There is simply no better NA airline for consistent upgrades, at or before window.