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.
Basically, puberty is the stage in life when changes in our bodies begin to happen. In the context of when do girls stop growing taller, puberty presents the fastest stage when girls grow significantly. Actual growth varies, but on the average there may be 2 to 3 inches increase in height annually.