About 31% Starlink odds, weighted to recent UA433 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 104 recent flights; Starlink found in 10 of 18 Wi-Fi checks since Jan 16, 2026 (last N73278, Oct 1, 2026).
Aircraft seen on UA433: Boeing 737-800, Boeing 737-900ER, Airbus A319, Boeing 737.