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 ...

WASHINGTON — Starting next month, United Airlines will require all domestic passengers to be checked in for their flights at least 45 minutes before takeoff. The new check-in policy is set to take ...

Everyone has a different approach when it comes to airport habits. Some travelers are more conservative with their time, giving themselves hours at the airport to check bags, get through security, and ...