About 7% Starlink odds, weighted to recent UA803 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 190 recent flights; Starlink found in 3 of 25 Wi-Fi checks since Mar 4, 2026 (last N37018, Oct 7, 2026).
Aircraft seen on UA803: Boeing 777-200ER, Boeing 777-200.