About 27% Starlink odds, weighted to recent UA1971 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 82 recent flights; Starlink found in 2 of 11 Wi-Fi checks since Mar 23, 2026 (last N37409, Oct 16, 2026).
Aircraft seen on UA1971: Boeing 737-900, Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737 MAX 8.