About 20% Starlink odds, weighted to recent UA1043 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 97 recent flights; Starlink found in 2 of 30 Wi-Fi checks since Jan 17, 2026 (last N27509, Oct 9, 2026).
Aircraft seen on UA1043: Boeing 737 MAX 9, Boeing 737-900ER, Boeing 737.