Waiting too long could cost you your seat—and your sanity.

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 ...

NEW YORK — Stragglers beware: 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 ...

CLEVELAND, Ohio — United Airlines is tightening its check-in window for domestic flights. Starting June 3, travelers flying within the United States must now check in at least 45 minutes before ...

From America's best airlines and luxurious airport lounges to the most rewarding frequent flyer programs, we want to know ...