United Airlines will require all domestic passengers to check in for their flight at least 45 minutes before departure. The change from 30 minutes, which impacts those traveling without checked luggage, takes effect on June 3. To continue reading, log in or subscribe.

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.