About 79% Starlink odds, weighted to recent UA5209 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 18 recent flights; Starlink found in 6 of 6 Wi-Fi checks since Apr 29, 2026 (last N689SK, Oct 7, 2026).
Aircraft seen on UA5209: Bombardier CRJ-550, Embraer E-175.