About 21% Starlink odds, weighted to recent UA1979 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 120 recent flights; Starlink found in 1 of 5 Wi-Fi checks since May 13, 2026 (last N17566, Oct 15, 2026).
Aircraft seen on UA1979: Boeing 737 MAX 9, Boeing 737-900, Boeing 737-900ER, Boeing 737 MAX 8.