About 94% Starlink odds, weighted to recent UA5863 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 42 recent flights; Starlink found in 23 of 24 Wi-Fi checks since Jan 24, 2026 (last N86375, Oct 8, 2026).
Aircraft seen on UA5863: Embraer E-175, CRJ-700.