PRESIDEN RTP SLOT American also began adding new transatlantic routes out of the Philadelphia hub for experimental reasons in exchange for cutting back transatlantic operations at JFK Airport in New York, thus de-emphasizing the JFK hub from August 2017 until April 2019, when all their wide-body long-haul flights were upgraded to the Boeing 777, allowing them to offer Premium Economy fares on all long-haul flights from the New York hub in a first attempt to complement the Philadelphia hub.|Anjing Luar Angkasa Soviet