About 92% Starlink odds, weighted to recent UA5589 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 84 recent flights; Starlink found in 17 of 22 Wi-Fi checks since Jan 15, 2026 (last N630SY, Sep 25, 2026).
Aircraft seen on UA5589: Embraer E-175, Bombardier CRJ-550, Mitsubishi CRJ-200LR, CRJ-550.