About 61% Starlink odds, weighted to recent UA5563 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 51 recent flights; Starlink found in 14 of 17 Wi-Fi checks since Jan 25, 2026 (last N85363, Aug 17, 2026).
Aircraft seen on UA5563: Bombardier CRJ-550, Embraer E-175.