Over 99% Starlink odds, weighted to recent UA5781 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 78 recent flights; Starlink found in 26 of 27 Wi-Fi checks since Jan 9, 2026 (last N629SY, Sep 25, 2026).
Aircraft seen on UA5781: Embraer E-175.