About 43% Starlink odds, weighted to recent UA1667 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 88 recent flights; Starlink found in 5 of 26 Wi-Fi checks since Jan 2, 2026 (last N77431, Oct 6, 2026).
Aircraft seen on UA1667: Boeing 737 MAX 9, Boeing 737-900ER, Airbus A321neo, Airbus A321.