About 39% Starlink odds, weighted to recent UA4737 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 58 recent flights; Starlink found in 16 of 16 Wi-Fi checks since Jan 1, 2026 (last N762SK, Oct 1, 2026).
Aircraft seen on UA4737: Bombardier CRJ-550, Embraer E-175.