About 65% Starlink odds, weighted to recent UA660 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 123 recent flights; Starlink found in 21 of 31 Wi-Fi checks since Jan 2, 2026 (last N14512, Oct 17, 2026).
Aircraft seen on UA660: Airbus A321neo, Boeing 737-800, Boeing 737 MAX 9, Airbus A321.