About 37% Starlink odds, weighted to recent UA1003 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 123 recent flights; Starlink found in 8 of 12 Wi-Fi checks since Mar 10, 2026 (last N37413, Oct 2, 2026).
Aircraft seen on UA1003: Boeing 737-900ER, Boeing 737-800, Airbus A320-232, Airbus A320.