About 34% Starlink odds, weighted to recent UA356 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 160 recent flights; Starlink found in 9 of 15 Wi-Fi checks since Feb 12, 2026 (last N36444, Oct 10, 2026).
Aircraft seen on UA356: Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737 MAX 8, Boeing 737-700.