The provided chart illustrates the number of people who have flown across three different airways between 1995 and 2000 years
Overall, what stands out is that while LaGuardia and Newark airports showed only upward trends there was a slight decrease in John F. Kennedy airway, of particular note is that other two airports could not overtake LaGuardia airport which always was the highest.
Looking at the LaGuardia first, nearly 35 million of people used these airway to fly in 1995, coming to 1997 slightly rose about 42 million, after which minimally increased around 48 million, and hit 50 million in 1999 however it sharply grew and reached almost 68 million of users without any downward trend.
Turning to John F. Kennedy, which started with nearly 25 million in 1995, coming to 1997 it showed increase and hit about 45 million, then for the next two years showed downward trend and decreased almost to 35 million, then fell about 32 million, in the last year rose and hit 45 million. Looking in details Newark, which had the lowest numbers just under 20 million, then rocketed by 48 million in 1997, in contrast it could overtake John F. Kennedy airway and reached almost 42 million in the last two years didn’t show any trends and stocked at 42 million in 1999 and 2000 years.