About 29% Starlink odds, weighted to recent UA1156 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 135 recent flights; Starlink found in 19 of 33 Wi-Fi checks since Jan 2, 2026 (last N87512, Oct 2, 2026).
Aircraft seen on UA1156: Boeing 737-800, Boeing 737-900ER, Boeing 737.