About 32% Starlink odds, weighted to recent UA1645 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 83 recent flights; Starlink found in 6 of 12 Wi-Fi checks since Feb 22, 2026 (last N36272, Oct 19, 2026).
Aircraft seen on UA1645: Boeing 737-800, Boeing 737-900, Boeing 737 MAX 8, Boeing 737-700.