About 13% Starlink odds, weighted to recent UA600 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 102 recent flights; Starlink found in 4 of 13 Wi-Fi checks since Jan 17, 2026 (last N27246, Sep 11, 2026).
Aircraft seen on UA600: Boeing 737-800, Airbus A321neo, Boeing 737 MAX 9, Boeing 737-900ER.