About 47% Starlink odds, weighted to recent UA1001 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 65 recent flights; Starlink found in 6 of 10 Wi-Fi checks since Jun 4, 2026 (last N38443, Oct 2, 2026).
Aircraft seen on UA1001: Boeing 737-900ER, Boeing 737 MAX 8, Boeing 737-800.