Over 99% Starlink odds, weighted to recent UA5551 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 76 recent flights; Starlink found in 22 of 22 Wi-Fi checks since Jan 4, 2026 (last N792SK, Oct 8, 2026).
Aircraft seen on UA5551: Bombardier CRJ-550, Embraer E-175.