About 24% Starlink odds, weighted to recent UA5479 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 32 recent flights; Starlink found in 22 of 24 Wi-Fi checks since Jan 2, 2026 (last N139SY, Aug 3, 2026).
Aircraft seen on UA5479: Bombardier CRJ-200, Embraer E-175.