I'm a 20 year One Pass member and most years manage to make at least Silver. A new "commuter" job, however, means that I'll probably be flying more on NW this year (six segments a month), although I'll still do some CO flying.

Will flying NW get me elite miles on CO? Or should I join the NW FF plan also? I'll probably fly 30,000 miles on NW and 15-20,000 on CO.

Thanks for any advice.

RobS