Please be aware that New York has multiple airports and that these results are only for Newark Liberty International airport.
The best day to arrive at New York is Friday and it would be best to avoid Thursday, as prices are on average 59.89% higher than on Friday. (Average prices, based on 383 datapoints.)
At New York the most flights depart around 09:00. (Hourly flights, based on 222 datapoints.)
From New York it is on average the cheapest to fly to Toronto and to Los Angeles. (Average prices, based on 152 datapoints.)
From New York most of the flights depart to Toronto, second best connected from New York is Chicago. (Daily flights, based on 57 datapoints.)