About 49% Starlink odds, weighted to recent UA1633 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 78 recent flights; Starlink found in 2 of 7 Wi-Fi checks since Jan 16, 2026 (last N69810, Oct 15, 2026).
Aircraft seen on UA1633: Boeing 737-900ER, Boeing 737-800, Airbus A319, Airbus A320.