About 6% Starlink odds, weighted to recent UA1873 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 68 recent flights; Starlink found in 2 of 7 Wi-Fi checks since Mar 14, 2026 (last N47569, Oct 6, 2026).
Aircraft seen on UA1873: Boeing 737 MAX 9, Boeing 737-700, Airbus A319.