Make the most of mileage: Adding extra legs to a planned trip is the easiest way to boost frequent-flier miles, Rappaport said.
Making "mileage runs," when you fly for the sole purpose of accumulating miles, can make the difference when you're a little short on elite qualifying miles. The miles that earn elite status usually have to be flown, not earned through credit card purchases or other promotions.
The first time Rappaport made a mileage run he was 5,000 miles away from Gold status on Delta Air Lines. He found a $210 ticket flying round trip from New York to San Francisco on a Saturday.\
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