About 33% Starlink odds, weighted to recent UA1737 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 93 recent flights; Starlink found in 3 of 10 Wi-Fi checks since Jan 2, 2026 (last N76505, Oct 12, 2026).
Aircraft seen on UA1737: Boeing 737-800, Boeing 737-900ER, Boeing 737-900.