Almost all U.S. airlines have similar rules about carry-on bag allowances. Here's why they're important to follow.

For years, some of the biggest airline companies in the U.S. have been increasingly relying on ancillary fees—like advanced seat assignments and carry-on bag costs—to meet their bottom lines. Now, ...

A Delta flight traveling from Atlanta to Fort Lauderdale was diverted to Fort Myers on Monday morning after a lithium battery exploded inside a passenger’s bag. Flight 1334, carrying 191 people, ...