United Airlines suggests passengers check in 24 hours before their flight. This can be done via the company’s mobile app or through the United Airlines flight web check-in portal.

Starting next week, with or without checked bags, those flying United will be required to check in at least 45 minutes before departure. Previously they could arrive 30 minutes before departure.

United Airlines is changing its check-in deadline for domestic flights to 45 minutes before departure. This new policy aligns with United's checked baggage deadline and policies at other airlines.

United Airlines has a new check-in policy beginning June 3: What you need to know so you don't miss your flight The new rule, which goes into effect on Tuesday, will provide "greater consistency ...

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 carry-on bags.

United Airlines is making a change to its check-in time policy. United customers must check in for a domestic flight at least 45 minutes before a flight without any checked bags starting June 3.

United Airlines, for its part, offers customers the chance to check in 24 hours before their flight. Overall, last-minute flight check-ins are becoming less and less doable nowadays.

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 ...

United Airlines is making a change to its check-in time policy. United customers must check in for a domestic flight at least 45 minutes before a flight without any checked bags starting June 3.

The Chicago-based airline will now require check-ins for domestic flights 45 minutes before departure, up from 30 minutes. The move, which applies to travelers without checked bags, starts June 3.

The Chicago-based airline will now require check-ins for domestic flights 45 minutes before departure, up from 30 minutes. The move, which applies to travelers without checked bags, starts June 3.

Washington state residents traveling with United Airlines and Southwest Airlines should know changes are being made to check-in times and bag policies that can impact their summer travel. Starting ...