When you make your reservations, try to arrange the least amount of connecting flights. You can overnight in a city and then connect to another flight the next morning. You shouldn't try to get to Belize in one day because some of the connections are too close. If at all possible, do not accept reservations with less than two hours between connections; very tight connections increase the possibility that you will miss one of your connecting flights. If you are flying in a day early you don't have to be as concerned about multiple and tight connections. Below is an example of current flights in and out of Belize. Obviously these are subject to change but they will give you some idea of your options.