Where Are the Free Domestic In-Class Upgrades this Fall?

Here are the route numbers that count for finding domestic bliss these days.

Of all the tips, tricks, traps, and travel trade secrets we cover, one that gets particular attention from FCF readers is the mysterious “in-class upgrade.”

Most people think that when they buy a premium seat, the experience is more or less the same across all airlines. But that is far from the truth. It’s like lumping Maserati and Mazda together because they’re both cars. Sure, they’re both cars, but they perform very differently.