About 75% Starlink odds, weighted to recent UA5477 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 18 Wi-Fi checks since Jan 1, 2026 (last N140SY, Sep 22, 2026).
Aircraft seen on UA5477: Embraer E-175, Bombardier CRJ-200, Mitsubishi CRJ-200LR.