I think the JFK-CAI-RUH suspension won't be permanent. It will come back once the economy shapes back up. Though Virgin does have a point about international operations. UA is putting the bulk out of IAD and ORD, and AA will slowly be moving the bulk from ORD to MIA, while even DL is putting a larger amount at ATL (but the 2nd-tier routes, like Nice and Vencie, are, of course, out of JFK), but JFK/EWR should not worry. Very few, if any, other US cities can support flights to places like Venice and Nice on such heavy O&D the way the NYC airports can. MIA (AA/UA), ORD (AA/UA), IAD (UA), and LAX (AA/UA) will grow a lot, but are no cause for concern for JFK/EWR.