About 72% Starlink odds, weighted to recent UA5418 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 39 recent flights; Starlink found in 16 of 18 Wi-Fi checks since Jan 1, 2026 (last N601UX, Aug 25, 2026).
Aircraft seen on UA5418: Embraer E-175, Mitsubishi CRJ-200LR.