About 43% Starlink odds, weighted to recent UA1101 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 77 recent flights; Starlink found in 9 of 17 Wi-Fi checks since Mar 10, 2026 (last N14557, Oct 1, 2026).
Aircraft seen on UA1101: Airbus A321neo, Boeing 737-900ER, Boeing 737-800, Boeing 737-900.