About 44% Starlink odds, weighted to recent UA254 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 158 recent flights; Starlink found in 9 of 21 Wi-Fi checks since Jan 16, 2026 (last N77580, Oct 14, 2026).
Aircraft seen on UA254: Boeing 737 MAX 9, Airbus A321neo, Boeing 737-900ER, Boeing 757-200.