Under 1% Starlink odds, weighted to recent UA991 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 116 recent flights; Starlink found in 0 of 10 Wi-Fi checks since Jan 2, 2026.
Aircraft seen on UA991: Boeing 787-8, Boeing 777-200ER, Boeing 787-9, Boeing 767-300.