About 70% Starlink odds, weighted to recent UA5853 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 46 recent flights; Starlink found in 7 of 7 Wi-Fi checks since Feb 20, 2026 (last N162SY, Oct 13, 2026).
Aircraft seen on UA5853: Embraer E-175, Bombardier CRJ-550.