About 12% Starlink odds, weighted to recent UA1535 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 192 recent flights; Starlink found in 4 of 26 Wi-Fi checks since Jan 2, 2026 (last N38443, Aug 31, 2026).
Aircraft seen on UA1535: Boeing 737 MAX 9, Boeing 737-700, Airbus A319, Boeing 737-900ER.