Check-in for air travel differs depending on your starting destination, your final destination, the airline you are flying and your travel day and time.
Boys continue growing until age 17 or 18. Boys and girls grow about two inches per year until they reach puberty. Then they each have a growth spurt that lasts a year or two. During the growth spurts, boys grow a little faster than girls. Girls reach puberty (on average) about a year before boys do. Girls also end puberty earlier than boys.
1. As a person goes through puberty, they experience a substantial growth in height. Girls usually experience growth spurts a couple of years before boys. This rapid increase in height is accompanied by an increase in weight, as muscles grow and body fat levels increase.