About 27% Starlink odds, weighted to recent UA1204 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 75 recent flights; Starlink found in 6 of 19 Wi-Fi checks since Jan 2, 2026 (last N14534, Sep 20, 2026).
Aircraft seen on UA1204: Airbus A321neo, Airbus A319, Airbus A320, Boeing 737.