About 1% Starlink odds, weighted to recent UA31 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 119 recent flights; Starlink found in 1 of 15 Wi-Fi checks since Jan 2, 2026 (last N37018, Aug 3, 2026).
Aircraft seen on UA31: Boeing 767-300ER, Boeing 777-200ER, Boeing 767-400ER, Boeing 767-400.
Last seen Aug 14, 2026.