About 8% Starlink odds, weighted to recent UA853 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 198 recent flights; Starlink found in 2 of 57 Wi-Fi checks since Jan 2, 2026 (last N78002, Sep 18, 2026).
Aircraft seen on UA853: Boeing 777-200ER, Boeing 777-200.