Over 99% Starlink odds, weighted to recent UA5731 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 53 recent flights; Starlink found in 7 of 7 Wi-Fi checks since Jan 16, 2026 (last N607UX, Oct 12, 2026).
Aircraft seen on UA5731: Embraer E-175.