About 42% Starlink odds, weighted to recent UA2381 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 140 recent flights; Starlink found in 9 of 32 Wi-Fi checks since Feb 12, 2026 (last N38479, Sep 18, 2026).
Aircraft seen on UA2381: Boeing 757-200, Boeing 737-900ER, Airbus A321neo, Boeing 737 MAX 8.