AA doesnt have the slots at JFK for those flights and US' has more flights to Europe than AA.
The bolded part is false. AA has been stockpiling primetime JFK departure slots, using them for domestic flights, in anticipation of lowering its costs. AA now has lower costs, and will likely begin new international flights from JFK.
JFK is slot controlled only during peak international departure times,late afternoon - early evening hours.
The rest of the day is wide open.I don't know how many more times that needs to be stated.
AA has the ability to juggle some things at JFK should there be an opportunity,this idea AA is painted into a corner at JFK with regard to slots is incorrect.
Both airports will more than likely see growth they can support.JFK is O&D centric, PHL is not.
Correct. Right now, AA has more than two dozen domestic departures from JFK between about 3 pm and 9 pm, not counting flights to SFO and LAX, and those slots have been stockpiled for the time when AA lowered its costs, and that time is now.
Good point, they can juggle some domestic slots to add a few for international flights as the New York has the largest O&D market in the country. A quote from www.federalregister.gov "Until recently, most operations at JFK took place during relatively pronounced arrival and departure banks corresponding to the operating windows of transatlantic flights. The FAA had limited the number of arrivals and departures at JFK during the peak afternoon demand period through the implementation of the High Density Rule (HDR).
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PHL has 2 runways capable of handling international flights and JFK has 4.
Correct. Nine of the current JFK primetime departure slots held by AA came from a trade with jetBlue, which has more primetime JFK slots than it needs. In addition to AA, both B6 and DL have also been stockpiling JFK primetime departure slots to prevent others from using them.
New AA will probably use a few of the primetime slots for new frequencies to LAX and SFO, once the new A321Ts are flying (with only 102 seats), but there will still be about 20 slots between about 3 pm and 9 pm which AA could use for new European flights.
New AA has more than enough JFK slots right now to vastly expand its international schedule, and if it finds it needs more, jetBlue can probably be convinced to sell even more to AA.
As to PHL, it's a huge metro area and I assume that new AA will continue to fly to various European cities from PHL, as well as from CLT. Both CLT and PHL may see some schedule adjustments, but IMO, both will continue as large, vibrant hubs.