About 12% Starlink odds, weighted to recent UA1401 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 135 recent flights; Starlink found in 9 of 30 Wi-Fi checks since Jan 16, 2026 (last N27239, Sep 26, 2026).
Aircraft seen on UA1401: Airbus A319, Boeing 737-800, Boeing 737-700, Boeing 737 MAX 8.