Please be aware that New York has multiple airports and that these results are only for John F Kennedy International airport.
The best day to arrive at New York is Friday and it would be best to avoid Saturday, as prices are on average 27.93% higher than on Friday. (Average prices, based on 617 datapoints.)
The cheapest airline flying to New York is JetBlue. They are 90% cheaper than Virgin Atlantic. (Average prices, based on 217 datapoints.)
At New York the most flights depart around 13:00. (Hourly flights, based on 570 datapoints.)
From New York most of the flights depart to Boston, second best connected from New York is London. (Daily flights, based on 103 datapoints.)