About 34% Starlink odds, weighted to recent UA618 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 91 recent flights; Starlink found in 6 of 20 Wi-Fi checks since Jan 16, 2026 (last N33203, Sep 17, 2026).
Aircraft seen on UA618: Boeing 737-800, Boeing 737-900ER, Airbus A319, Boeing 737-900.