About 33% Starlink odds, weighted to recent UA5949 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 48 recent flights; Starlink found in 2 of 4 Wi-Fi checks since Mar 7, 2026 (last N631SY, Sep 21, 2026).
Aircraft seen on UA5949: Bombardier CRJ-200, Embraer E-175.