About 13% Starlink odds, weighted to recent UA2158 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 71 recent flights; Starlink found in 3 of 7 Wi-Fi checks since Jan 2, 2026 (last N37532, Oct 1, 2026).
Aircraft seen on UA2158: Boeing 737 MAX 9, Boeing 737-900ER, Boeing 737.