About 12% Starlink odds, weighted to recent UA58 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 154 recent flights; Starlink found in 4 of 27 Wi-Fi checks since Jan 2, 2026 (last N78002, Sep 26, 2026).
Aircraft seen on UA58: Boeing 777-200ER, Boeing 787-9.