Group 1 - Starting from August 1, 2025, Hainan Airlines will eliminate the check-in cut-off time for passengers without checked luggage on the Haikou-Beijing round-trip flights, allowing them to arrive at the boarding gate only 15 minutes before the scheduled departure [1] - For passengers with checked luggage, the cut-off time for baggage check-in will still follow airport standards, which are 35 minutes before departure in Haikou and 40 minutes before departure at Beijing Capital Airport [1] - China Southern Airlines has already taken the lead by canceling the check-in cut-off time for its Guangzhou to Beijing Daxing flights [2]

Group 1 - Hainan Airlines will cancel the check-in cut-off time for passengers with no checked luggage on the Haikou-Beijing round-trip flights, allowing them to arrive at the boarding gate 15 minutes before the scheduled departure [1] - The new policy will take effect on August 1, 2025, specifically for passengers without checked luggage [1] - For passengers with checked luggage, the standard check-in cut-off times will still apply, which are 35 minutes before departure in Haikou and 40 minutes before departure at Beijing Capital Airport [1] Group 2 - China Southern Airlines was the first to cancel the check-in cut-off time for its flights between Guangzhou and Beijing Daxing [2]