Senior Moderator; Moderator, Eco-Conscious Travel, United and Flyertalk Cares
Join Date: Jun 1999
Location: Fulltime travel/mostly Europe
Programs: UA 1.7 MM;; Accor & Marriott Pt; Hyatt Globalist
Posts: 17,823
I mentioned recently on another thread that Northwest flies some unusual routings to avoid turbulance and get a break with their air frame insurance carrier. I had no idea how they figured out their routes though. Pretty cool.