About 55% Starlink odds, weighted to recent UA5635 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 73 recent flights; Starlink found in 22 of 22 Wi-Fi checks since Jan 11, 2026 (last N133SY, Sep 3, 2026).
Aircraft seen on UA5635: Embraer E-175, Bombardier CRJ-550.