Delta, American, and United Just Raised Prices. What Will Southwest Do?

By Justin Bachman

Article Reprint

Delta Air Lines (DAL) raised its roundtrip fares by $4 to $10 for most of its domestic flights on Tuesday, one of the periodic increases airlines launch to test their rivals’ willingness to follow suit. (Yawn.) This hike, however, came a day after American Airlines (AAL) formally became the world’s largest airline and new top player in the U.S.