Over 99% Starlink odds, weighted to recent UA5684 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 55 recent flights; Starlink found in 5 of 6 Wi-Fi checks since Mar 8, 2026 (last N623UX, Oct 8, 2026).
Aircraft seen on UA5684: Embraer E-175, Bombardier CRJ-200.