About 53% Starlink odds, weighted to recent UA1620 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 76 recent flights; Starlink found in 4 of 7 Wi-Fi checks since Jan 2, 2026 (last N37273, Sep 4, 2026).
Aircraft seen on UA1620: Boeing 737-800, Airbus A321neo, Boeing 737-900.