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

United Airlines will implement a stricter check-in deadline, which could impact thousands of passengers starting June 3.Under ...

If you're flying on United Airlines, you'll soon have less time to check in for your flight, even without a checked ...

There will soon be another new travel rule that domestic flyers will have to keep in mind before heading to the airport.