About 12% Starlink odds, weighted to recent UA1020 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 97 recent flights; Starlink found in 1 of 33 Wi-Fi checks since Jan 17, 2026 (last N77578, Oct 14, 2026).
Aircraft seen on UA1020: Boeing 737 MAX 9, Boeing 737-700, Boeing 737-900ER, Boeing 737-900.