About 64% Starlink odds, weighted to recent UA1491 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 77 recent flights; Starlink found in 7 of 8 Wi-Fi checks since Feb 14, 2026 (last N76519, Oct 13, 2026).
Aircraft seen on UA1491: Boeing 737-800, Boeing 737-900.