About 49% Starlink odds, weighted to recent UA6019 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 32 recent flights; Starlink found in 7 of 7 Wi-Fi checks since Mar 31, 2026 (last N161SY, Aug 10, 2026).
Aircraft seen on UA6019: Embraer E-175, Bombardier CRJ-550.