About 64% Starlink odds, weighted to recent UA1525 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 172 recent flights; Starlink found in 9 of 18 Wi-Fi checks since Jan 2, 2026 (last N54525, Nov 1, 2026).
Aircraft seen on UA1525: Airbus A321neo, Boeing 737-900ER, Boeing 737-800, Airbus A321.