About 45% Starlink odds, weighted to recent UA1660 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 126 recent flights; Starlink found in 9 of 25 Wi-Fi checks since Jan 31, 2026 (last N25201, Oct 5, 2026).
Aircraft seen on UA1660: Boeing 737-800, Boeing 737-900ER, Boeing 737 MAX 8, Airbus A320.