Over 99% Starlink odds, weighted to recent UA3663 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 70 recent flights; Starlink found in 14 of 14 Wi-Fi checks since Jan 8, 2026 (last N791YX, Sep 23, 2026).
Aircraft seen on UA3663: Embraer E-175.