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 ...

United Airlines is implementing a change to its check-in policy that could leave passengers stranded. Starting June 3, passengers traveling with United must check in 45 minutes before departure time, ...

United Airlines will implement a stricter check-in deadline, which could impact thousands of passengers starting June 3. Under the new policy, passengers on domestic flights with or without checked ...