About 46% Starlink odds, weighted to recent UA4648 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 55 recent flights; Starlink found in 5 of 5 Wi-Fi checks since May 27, 2026 (last N630SY, Oct 4, 2026).
Aircraft seen on UA4648: Embraer E-175, Bombardier CRJ-550.