About 10% Starlink odds, weighted to recent UA2131 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 139 recent flights; Starlink found in 7 of 35 Wi-Fi checks since Feb 26, 2026 (last N36472, Oct 4, 2026).
Aircraft seen on UA2131: Boeing 737-900ER, Airbus A319, Boeing 737-700, Boeing 737-800.