About 99% Starlink odds, weighted to recent UA5263 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 53 recent flights; Starlink found in 7 of 10 Wi-Fi checks since Jan 2, 2026 (last N624UX, Oct 2, 2026).
Aircraft seen on UA5263: Embraer E-175, Bombardier CRJ-200, Mitsubishi CRJ-701ER.