About 17% Starlink odds, weighted to recent UA1140 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 144 recent flights; Starlink found in 10 of 28 Wi-Fi checks since Jan 17, 2026 (last N27419, Oct 5, 2026).
Aircraft seen on UA1140: Boeing 737 MAX 9, Boeing 737-900ER, Boeing 737-800, Boeing 737-900.