Tim Draper

KIAD is perfectly aligned (Δhdg 0°) at 2366 nm, well within the G550's range, and is a recurring destination for Tim Draper. The plane is heading east-northeast from the Pacific, consistent with a transcontinental flight to the DC area. Past predictions show a tendency to miss on long-haul guesses (e.g., WSSS, EGLL), so I bias toward the aligned, frequent destination. KSJC (home, Δhdg 6°) and KBNA (recent, Δhdg 7°) are strong alternates but less likely given the current heading and distance.