About 85% Starlink odds, weighted to recent UA5556 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 64 recent flights; Starlink found in 15 of 16 Wi-Fi checks since Mar 16, 2026 (last N786SK, Sep 25, 2026).
Aircraft seen on UA5556: Bombardier CRJ-550, Embraer E-175.