About 59% Starlink odds, weighted to recent UA5548 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 67 recent flights; Starlink found in 9 of 10 Wi-Fi checks since Feb 13, 2026 (last N643SY, Oct 15, 2026).
Aircraft seen on UA5548: Embraer E-175, Bombardier CRJ-200.