Walter Karl Offers Subscribers File
Inside Flyer subscribers pay $36 for 12 issues of this monthly publication for frequent fliers. The file is 58 percent male, has a median age of 44 and a median income of $118,000. The majority of people on the list have taken more than 15 round trips and stayed more than 30 nights in hotels in the past year.
The file is selectable by geography and gender. Base price is $125/M.