About 5% Starlink odds, weighted to recent UA131 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 211 recent flights; Starlink found in 1 of 30 Wi-Fi checks since Jan 2, 2026 (last N37018, Jul 21, 2026).
Aircraft seen on UA131: Boeing 777-300ER, Boeing 777-200ER, Boeing 777-200.