About 62% Starlink odds, weighted to recent UA2156 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 77 recent flights; Starlink found in 4 of 8 Wi-Fi checks since Apr 9, 2026 (last N66893, Oct 17, 2026).
Aircraft seen on UA2156: Boeing 737-900ER, Boeing 737-800, Boeing 737 MAX 9.