About 69% Starlink odds, weighted to recent UA5210 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 34 recent flights; Starlink found in 4 of 5 Wi-Fi checks since Apr 29, 2026 (last N738EV, Oct 10, 2026).
Aircraft seen on UA5210: Bombardier CRJ-550, Bombardier CRJ-200, Embraer E-175.