About 5% Starlink odds, weighted to recent UA770 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 113 recent flights; Starlink found in 1 of 13 Wi-Fi checks since Feb 18, 2026 (last N28912, Sep 19, 2026).
Aircraft seen on UA770: Boeing 787-8, Boeing 787-10, Boeing 737-900, Airbus A319.