About 20% Starlink odds, weighted to recent UA1183 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 115 recent flights; Starlink found in 3 of 20 Wi-Fi checks since Jan 2, 2026 (last N37273, Oct 3, 2026).
Aircraft seen on UA1183: Boeing 737-800, Boeing 737 MAX 9, Boeing 737-900, Airbus A320.