If you have to change the date of one's Kuwait Airways flight, you are able to do so by adhering to these measures:
What happens if I don't rebook myself/are unable to rebook? The procedure will mechanically rebook you 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/