With airlines constantly changing their earning structure and miles becoming easier to accumulate via non-flying means, it seems that mileage runs might be dead. That’s not necessarily the case, as it can vary a lot depending on the airline and the type of ticket you’re purchasing.  What Exactly is a Mileage Run? A mileage run refers to a trip taken primarily to accumulate airline miles or achieve elite status in a frequent flyer program. The goal is to fly a specific route or multiple segments to earn miles, which can be redeemed for free flights and upgrades.  The most...