About 63% Starlink odds, weighted to recent UA1500 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 78 recent flights; Starlink found in 15 of 19 Wi-Fi checks since Mar 26, 2026 (last N39415, Oct 17, 2026).
Aircraft seen on UA1500: Boeing 737-900ER, Boeing 737-800.