Originally Posted by Ber2dca

The flight to JFK at 1 pm usually leaves at gate A00/01 and IIRC that section has been used for the New York flights for ages even before AB operated them. That's right toward the pavillon with shops and so forth where you get to Terminals B,C and D and that can be reached very quickly from most of the rest of the airport. Assuming the Ex-KRK flight is on time and the luggage is checked through it's an easily doable connection.