About 1% Starlink odds, weighted to recent UA2004 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 88 recent flights; Starlink found in 3 of 17 Wi-Fi checks since Jan 2, 2026 (last N73278, Sep 16, 2026).
Aircraft seen on UA2004: Boeing 737-700, Boeing 737-800, Airbus A319, Airbus A320.
Last seen Sep 17, 2026.