United Airlines announced Friday that it is adding several flights out of O'Hare this fall, making it the busiest flight schedule of the year. The big picture: After a rocky forecast due to economic uncertainty from tariffs and government cutbacks,

Travelers who fail to follow the policy could be denied the option to check their bags or be forced to miss their flight.

United Airlines is changing its check-in cutoff time ahead of the busy summer travel season. 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.