About 46% Starlink odds, weighted to recent UA1748 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 137 recent flights; Starlink found in 13 of 30 Wi-Fi checks since Jan 2, 2026 (last N63899, Sep 14, 2026).
Aircraft seen on UA1748: Boeing 737 MAX 9, Boeing 737-900ER, Boeing 737-800, Airbus A321neo.