About 35% Starlink odds, weighted to recent UA1956 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 121 recent flights; Starlink found in 7 of 19 Wi-Fi checks since Mar 13, 2026 (last N37456, Sep 17, 2026).
Aircraft seen on UA1956: Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737 MAX 8, Boeing 737-800.