About 19% Starlink odds, weighted to recent UA2866 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 111 recent flights; Starlink found in 8 of 20 Wi-Fi checks since Jan 15, 2026 (last N34282, Sep 21, 2026).
Aircraft seen on UA2866: Airbus A320, Boeing 737-800, Airbus A319.