About 68% Starlink odds, weighted to recent UA1018 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 81 recent flights; Starlink found in 7 of 13 Wi-Fi checks since Jan 15, 2026 (last N37437, Oct 5, 2026).
Aircraft seen on UA1018: Boeing 737-900ER, Boeing 737-900.