So JetBlue is launching JFK-BOS service (8x, up to 10x by a few weeks) starting on Tuesday. I've been searching through their online database and those flights seem to be selling out like crazy! Those $40 base fares are very rare for the next few weeks, and there are even some flights beginning to sell out. Many higher-end $100 and $120 one-way fares are available too.
So, advanced bookings for the route look to be extremely impressive. However, even more interesting will be to see how much is booked within the next few days. JFK-BOS, mostly aimed at last-minute buyers (see: high frequency and low fares), should be getting a whole bunch of 5- to 1-day advanced bookings.
It looks like the route will be a success, which is especially funny as it is being launched during the slowest time of the year.
I guess people want to fly from JFK to BOS afterall. Will we see an effect on DL's and US's loads out of LGA? Despite what many think, DL and US have not lowered their Shuttle fares. Only AA and DL have lowered their JFK fares.