The goal is to fly for the sake of flying so that you can earn enough airline miles to receive perks from the frequent flier program.
To do mileage running, you only need two things: a lot of time, and cheap tickets (one to two cents per mile cheap).
Then, you simply rack up the miles, going through the ticket and routing calculations, through elite status, upgrades, irregular operations, weather delays, working the system, bumping and marathon flying; all for the sake of a few extra miles.
Ready to work the system?
Then check out Gadling’s Guide to Mileage Running, and learn from the best.