About 86% Starlink odds, weighted to recent UA4381 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 74 recent flights; Starlink found in 20 of 22 Wi-Fi checks since Feb 12, 2026 (last N550GJ, Sep 16, 2026).
Aircraft seen on UA4381: Bombardier CRJ-550.