About 20% Starlink odds, weighted to recent UA473 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 93 recent flights; Starlink found in 7 of 12 Wi-Fi checks since Apr 5, 2026 (last N28457, Sep 12, 2026).
Aircraft seen on UA473: Boeing 737 MAX 8, Boeing 737-900ER, Boeing 737-800, Airbus A319.