This is for the flight tracker gurus. I was on OS093 VIE-IAD today, and we passed two DL 767s exactly 1,000 feet below and 1/2 mile to our left, over Fredericton, Canada at 12:20 pm EST. Beautiful contrails, could almost see into the windows. In first position was a -300, and right behind it a -400. We slowly passed both, going about 50 knots faster.
Does anyone know what flights they were ? extra points for N numbers.