About 48% Starlink odds, weighted to recent UA355 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 147 recent flights; Starlink found in 5 of 12 Wi-Fi checks since Jan 30, 2026 (last N73276, Oct 12, 2026).
Aircraft seen on UA355: Boeing 737-800, Boeing 737-900ER, Airbus A320, Boeing 737-900.