About 19% Starlink odds, weighted to recent UA1984 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 77 recent flights; Starlink found in 3 of 7 Wi-Fi checks since Feb 28, 2026 (last N17403, Oct 15, 2026).
Aircraft seen on UA1984: Boeing 737 MAX 9, Boeing 737-900ER, Boeing 737-900.