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.
boys keep growing for about six years after puberty starts puberty in boys starts off more slowly than in girls but then speeds up later on although boys are usually about 2 centimetres 0 8 in shorter than girls before puberty begins men on average end up about 13 centimetres 5 1 in taller than women