Under 1% Starlink odds, weighted to recent UA121 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 118 recent flights; Starlink found in 0 of 17 Wi-Fi checks since Jan 3, 2026.
Aircraft seen on UA121: Boeing 777-200ER, Boeing 767-400ER, Boeing 787-10, Boeing 767-400.
Last seen Aug 15, 2026.