About 5% Starlink odds, weighted to recent UA804 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 144 recent flights; Starlink found in 1 of 18 Wi-Fi checks since Jan 16, 2026 (last N37018, Sep 30, 2026).
Aircraft seen on UA804: Boeing 777-200ER, Boeing 777-200.