About 54% Starlink odds, weighted to recent UA4773 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 81 recent flights; Starlink found in 19 of 20 Wi-Fi checks since Jan 1, 2026 (last N207SY, Sep 17, 2026).
Aircraft seen on UA4773: Embraer E-175, Bombardier CRJ-200.