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.
In my experience, males don't grow too fast and for females, it depends. My female basically exploded for the first few years of her life, and now it's pretty slow, but I thiâ¦nk she still gains some. The little one only grew about 1 pound heavier over the past 3 or 4 years, so she still looks like a baby.