About 23% Starlink odds, weighted to recent UA2166 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 111 recent flights; Starlink found in 12 of 25 Wi-Fi checks since Feb 10, 2026 (last N77296, Oct 30, 2026).
Aircraft seen on UA2166: Boeing 737-800, Boeing 757-200, Airbus A321neo, Boeing 737-900ER.