About 14% Starlink odds, weighted to recent UA1623 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 73 recent flights; Starlink found in 7 of 15 Wi-Fi checks since May 18, 2026 (last N17245, Sep 28, 2026).
Aircraft seen on UA1623: Airbus A319, Boeing 737-800, Boeing 737-900ER, Boeing 737 MAX 8.