About 50% Starlink odds, weighted to recent UA5456 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 57 recent flights; Starlink found in 16 of 18 Wi-Fi checks since Jan 15, 2026 (last N85370, Sep 24, 2026).
Aircraft seen on UA5456: Embraer E-175, Bombardier CRJ-200.