We fly Jet Blue twice a year from JFK,N.Y. When I see a reasonable fare I book it and then check each day. If the fare goes down I call Jet Blue and they put the difference in an account that we have a year to use. Am booked for Oct, $198 for a 10 a.m. flight going out and Nov. $ 179 coming home !:30 p.m. Times are perfect for us. The fares have gone up since I booked but I have plenty of time to keep checking.