About 63% Starlink odds, weighted to recent UA1519 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 52 recent flights; Starlink found in 3 of 4 Wi-Fi checks since Sep 16, 2026 (last N13248, Oct 14, 2026).
Aircraft seen on UA1519: Boeing 737-800, Airbus A321neo.