About 96% Starlink odds, weighted to recent UA5709 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 54 recent flights; Starlink found in 20 of 21 Wi-Fi checks since Jan 8, 2026 (last N609UX, Sep 17, 2026).
Aircraft seen on UA5709: Embraer E-175.