About 33% Starlink odds, weighted to recent UA1383 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 173 recent flights; Starlink found in 11 of 24 Wi-Fi checks since Jan 2, 2026 (last N33266, Oct 9, 2026).
Aircraft seen on UA1383: Boeing 737-900, Boeing 737-800, Airbus A321neo, Boeing 737-900ER.