Originally Posted by
cfischer
since CO is moving to *A this year (possibly as late as 12-31) your LH HON should be good enough here. NW is merging with CO and offers quite good upgrades for GE/PE (50k/75k miles required per year).
cfischer miswrote. NW is merging with Delta.
CO is notorious for low upgrades, particularly out of EWR.
I've had great luck with upgrades on NW, but I'm switching to CO because of the merger.