About 38% Starlink odds, weighted to recent UA3750 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 55 recent flights; Starlink found in 4 of 5 Wi-Fi checks since Mar 27, 2026 (last N37440, Sep 18, 2026).
Aircraft seen on UA3750: Boeing 737 MAX 9, Airbus A321neo, Boeing 737-800, Boeing 737-900ER.