About 38% Starlink odds, weighted to recent UA1019 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 77 recent flights; Starlink found in 6 of 10 Wi-Fi checks since Apr 10, 2026 (last N34535, Sep 18, 2026).
Aircraft seen on UA1019: Boeing 737-700, Airbus A321neo, Boeing 737-900ER, Boeing 737 MAX 9.