About 35% Starlink odds, weighted to recent UA2012 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 55 recent flights; Starlink found in 2 of 8 Wi-Fi checks since Mar 23, 2026 (last N87507, Oct 9, 2026).
Aircraft seen on UA2012: Boeing 737-800, Boeing 737 MAX 9.