About 74% Starlink odds, weighted to recent UA5304 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 63 recent flights; Starlink found in 14 of 17 Wi-Fi checks since Jan 29, 2026 (last N624UX, Jul 18, 2026).
Aircraft seen on UA5304: Embraer E-175.