About 35% Starlink odds, weighted to recent UA5451 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 42 recent flights; Starlink found in 20 of 21 Wi-Fi checks since Jan 4, 2026 (last N606UX, Sep 28, 2026).
Aircraft seen on UA5451: Embraer E-175, Bombardier CRJ-200.