Hello, First of all plan your travel.. review that all the passport are valid ( childs ) to avoid immigration delays.
Make sure all the flights arrive at the same time or simmilar it is recommended to book in advance your ground transportation to the resort.
The Airport always have flight delays so you should be aware of this. If some of your party is arriving late it is important to every one knows the company name that will meet you at the Cancun Airport and at least one on each flight have the confirmation and contact telephone of the company. Trust me this is very important and will help your friends or family, it is terrible to arrive and do not know who is picking you up.
There are toons of ground transportation companies waiting for customers it can be very hard to find the correct one.
Some times nobody nows the name of the ground transportation and loose money for this reazon !!!
If you are staying at a Condo double check in advance the location of the condo, house or villa that will help too...
I hope this will help you on your netx trip...