About 79% Starlink odds, weighted to recent UA1974 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 87 recent flights; Starlink found in 8 of 19 Wi-Fi checks since Jan 2, 2026 (last N24573, Sep 26, 2026).
Aircraft seen on UA1974: Airbus A321neo, Boeing 737-800, Airbus A319.