About 72% Starlink odds, weighted to recent UA459 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 78 recent flights; Starlink found in 11 of 14 Wi-Fi checks since Apr 9, 2026 (last N39423, Oct 15, 2026).
Aircraft seen on UA459: Boeing 737-900ER, Airbus A321neo.