About 43% Starlink odds, weighted to recent UA1003 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 151 recent flights; Starlink found in 9 of 15 Wi-Fi checks since Mar 10, 2026 (last N77520, Oct 15, 2026).
Aircraft seen on UA1003: Boeing 737-800, Airbus A319, Boeing 737-900ER, Airbus A320-232.