About 33% Starlink odds, weighted to recent UA1818 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 115 recent flights; Starlink found in 2 of 19 Wi-Fi checks since Feb 15, 2026 (last N14249, Sep 4, 2026).
Aircraft seen on UA1818: Boeing 737-800, Boeing 737 MAX 8, Airbus A319, Boeing 777-200.