About 19% Starlink odds, weighted to recent UA1738 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 82 recent flights; Starlink found in 4 of 11 Wi-Fi checks since Jan 17, 2026 (last N64809, Sep 21, 2026).
Aircraft seen on UA1738: Boeing 737-900ER, Boeing 737-700, Boeing 737-800, Boeing 737 MAX 9.