United Airlines is changing how early you need to check-in for flights. Here's the new deadline

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 flight could be canceled Effective Tuesday June United s check-in cutoff for bulk U S flights will be minutes before departure Luggage also must be checked at least minutes before the flight takes off United noted Previously the cut-off was minutes Customers can still use the United app to check in up to -hours before their flight the airline noted While the new cutoff applies to majority of of United s domestic trips check-in deadlines may vary by location and trail The carrier s website notes that St Thomas airport in the U S Virgin Islands has a check-in time limit of minutes prior to departure the same cutoff listed for flights between Guam and Honolulu For international flights United requires checking in at least an hour before departure though countless airports have earlier deadlines such as minutes for major airports in Paris and Dubai and minutes for the airports in Toronto and Lagos Nigeria MORE Big changes coming to popular airlines this summer and they could cost you In a comment emailed to NBC Chicago United noted the change was made to bring greater consistency for our customers by aligning with our current checked baggage deadline and the check-in policies followed by largest part other airlines If you don t meet your check-in time limits we ll do our best to find another option United s website states However we have the right to deny institution which may aftermath in cancellation of your reservation denied boarding or the option to check your bags The change also comes as amid United s legal battle with American Airlines over gates at Chicago s O Hare International Airport after the Chicago Department of Aviation awarded United five additional gates bringing the airline s total at the airport to starting in October According to the CDA gates are re-allocated basted on how a large number of flights carriers flew into the airport in Last month American Airlines which has gates at O Hare filed a lawsuit against the city of Chicago in an attempt to stop the rival airline saying the changes upset the competitive balance at O Hare Other airlines in recent days made changes to longstanding polices as the summer excursion season begins Last month Southwest Airlines began charging for checked bags a first in the airline s history The move ends the airline s popular two bags fly free perk charging for a first checked bag and for a second though there are chosen exceptions Southwest also eliminated it s popular open seating model and instead started offering basic economic system tickets Passengers on Southwest flights will also soon be required to keep their portable chargers plain sight while using them because of concerns about the growing number of lithium battery fires