Southwest reveals the fee for checking a bag — exchanging part of its soul for profit — that took effect this week.

Southwest Airlines will end its decades-long policy of free checked bags and will now require customers to pay for luggage.

U.S. travelers flying with United Airlines will have to check in to domestic flights a little earlier starting next week. That is, if they’re customers only taking ...

Bag fees. Assigned seats. “Variable” award pricing. Expiring flight credits. It’s been a lot, you might say of the past few ...