United Airlines passengers are facing a big change beginning Tuesday as the airline shifts how early fliers must check-in for trips. If passengers don’t abide by the new rules, United says, their ...

He took a deep dive into points and miles ... Instead of waiting in line, check the American Airlines mobile app, as you can often change your flight quickly and easily with just a few clicks.

U.S. travelers flying with United Airlines will have to check in to domestic flights a little earlier starting next week.