If you should change the date of the Kuwait Airways flight, you are able to do so by next these ways:
As per Kuwait Airways change flight policy, travellers are needed to give the Get hold of in case of any change into https://forums.rivals.com/threads/%F0%9F%93%9E-1-857-346-0204-kuwait-airways-modify-booking-how-to-change-flights-and-dates-efficiently.1154305/