About 13% Starlink odds, weighted to recent UA1478 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 131 recent flights; Starlink found in 4 of 18 Wi-Fi checks since Feb 12, 2026 (last N37437, Sep 4, 2026).
Aircraft seen on UA1478: Boeing 737-700, Boeing 737-900ER, Airbus A319, Boeing 737.