About 25% Starlink odds, weighted to recent UA1993 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 101 recent flights; Starlink found in 6 of 9 Wi-Fi checks since Jan 2, 2026 (last N14507, Oct 15, 2026).
Aircraft seen on UA1993: Airbus A321neo, Boeing 737 MAX 9, Boeing 737-800, Boeing 737-700.