About 33% Starlink odds, weighted to recent UA4207 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 5 recent flights; Starlink found in 2 of 3 Wi-Fi checks since Jul 8, 2026 (last N17233, Oct 19, 2026).
Aircraft seen on UA4207: Boeing 737-800, Boeing 767-400ER, Airbus A321XLR.