About 46% Starlink odds, weighted to recent UA1522 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 137 recent flights; Starlink found in 16 of 25 Wi-Fi checks since Jan 15, 2026 (last N37532, Oct 6, 2026).
Aircraft seen on UA1522: Boeing 737 MAX 9, Boeing 737-900ER, Boeing 737-800, Airbus A319.