About 29% Starlink odds, weighted to recent UA4204 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 10 recent flights; Starlink found in 2 of 5 Wi-Fi checks since Apr 4, 2026 (last N38257, Jul 20, 2026).
Aircraft seen on UA4204: Boeing 737-800, Airbus A319, Boeing 757-300.
Last seen Jul 20, 2026.