About 66% Starlink odds, weighted to recent UA1033 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 92 recent flights; Starlink found in 17 of 27 Wi-Fi checks since Feb 16, 2026 (last N62889, Oct 9, 2026).
Aircraft seen on UA1033: Boeing 737-900ER, Boeing 737-900.