About 44% Starlink odds, weighted to recent UA4681 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 90 recent flights; Starlink found in 32 of 35 Wi-Fi checks since Jan 1, 2026 (last N109SY, Sep 20, 2026).
Aircraft seen on UA4681: Bombardier CRJ-200, Embraer E-175, Bombardier CRJ-550.