About 39% Starlink odds, weighted to recent UA1871 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 71 recent flights; Starlink found in 1 of 12 Wi-Fi checks since Feb 13, 2026 (last N77430, Oct 8, 2026).
Aircraft seen on UA1871: Boeing 737-900ER, Airbus A319, Boeing 737 MAX 9, Boeing 737.