About 69% Starlink odds, weighted to recent UA777 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 100 recent flights; Starlink found in 10 of 23 Wi-Fi checks since Jan 16, 2026 (last N54525, Oct 14, 2026).
Aircraft seen on UA777: Airbus A321neo, Airbus A320, Boeing 737-800, Boeing 737-900ER.