Appears that they're still waiting for government approval to begin N America flights.
Here's the recent statement from the JAT website:
Summer Flight Schedules 2006
Jat Airways flights will implement a summer flight schedule from March 26 to October 28, 2006 in 28 countries in Europe, North America, the Middle East, North Africa as well as in regional countries. Jat Airways has scheduled 177 weekly flights on 36 regularly scheduled international routes, as well 63 flights on three domestic routes.
The national carrier's summer flight routes include flights to Cairo, Beirut and Sofia. Added to the flight schedule are flights to New York and Toronto, but a final decision on those routes is expected by the end of the month.
Insofar as these intercontinental flights are implemented, they will be flown on a Boeing 767-200 model plane. Jat also plans to purchase two 70-seat planes, the negotiations for which are in the final phase. The rest of Jat's routes will be flown on the existing fleet: two Boeing 737-400s; five Boeing 737-300s and four ATR-72s.
Jat Airways’ commercial contracts with the most prestigious international carriers enables Jat to offer links between Serbia and Montenegro and destinations around the world.
Jat most frequently served international routes include Vienna, Zurich, Paris, Skopje and Sarajevo, with 11 weekly flights to each of those destinations, while 10 weekly flights planned to Tirana. There will be daily flights to Frankfurt, Rome, Moscow, London and Sofia. The routes to Dusseldorf, Amsterdam and Istanbul are schedule with six flights each week, and five flights per week to Berlin, Munich, Stockholm and Ljubljana. There will be four weekly flights to Prague, Stuttgart, Copenhagen, Athens, Brussels, Dubai and Beirut, three weekly flights to New York, Trieste and Larnaca, two weekly flights to Toronto, Ohrid, Goteborg, Tunisia, Tel Aviv, Malta and Tripoli.
On domestic routes, Jat will fly six times daily to Tivat and three times daily to Podgorica.
Jat will fly the route Zurich – Nis – Zurich two times per week, and once a week on the Tivat – London – Tivat route.
This season, Jat is significantly increasing the number of flights to Skopje, Sarajevo, Ljubljana and Tirana, as well as to Dusseldorf, Berlin, Brussels, Amsterdam, Stockholm and Copenhagen.
Air traffic to Berlin will be conducted over the Tegel airport, which will enable a higher level of passenger service.
Using the Belgrade link, Jat Airways serves routes between Podgorica and Tivat and other regional towns: Skopje, Sarajevo, Ljubljana, Sofia and Tirana, as well as between these towns and Euro-Mediterranean destinations, the Middle East and the America.
For travellers on their way to the Middle East, Near East and Far East, as well as to India, Australia, and New Zeland, Jat offers reasonably priced flights on the Emirates airline via Dubai, and to Peking on Aeroflot via Moscow or Air China via Frankfurt.
You can fly to North and South America with Jat thanks to our relationship with Virginia Atlantic, British Airways, Britishh Midland and Air India via London, with Martinair via Amsterdam, Swiss airlines via Zurich, Olympic Airways via Athens, and Delta Airlines or United Airlines via European cities.
Travellers on their way to Africa from Belgrade can get there with Jat and a connecting flight with Emirates, Turkish or Sri Lankan Airlines.
Flight schedules are subject to change due to shifts in market demands.
Belgrade, March 24, 2006.