Please be aware that New York has multiple airports and that these results are for all airports serving the city.
The best month to arrive at New York is October and the most expensive month to fly is May. (Average prices, based on 893 datapoints.)
The best day to arrive at New York is Friday and it would be best to avoid Tuesday, as prices are on average 26.32% higher than on Friday. (Average prices, based on 839 datapoints.)
At New York the most flights depart around 12:00. (Hourly flights, based on 902 datapoints.)