About 19% Starlink odds, weighted to recent UA2131 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 155 recent flights; Starlink found in 9 of 37 Wi-Fi checks since Feb 26, 2026 (last N38467, Oct 17, 2026).
Aircraft seen on UA2131: Boeing 737-900ER, Airbus A319, Boeing 737-700, Boeing 737-800.