About 39% Starlink odds, weighted to recent UA3888 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 15 recent flights; Starlink found in 1 of 4 Wi-Fi checks since Aug 10, 2026 (last N77296, Oct 1, 2026).
Aircraft seen on UA3888: Airbus A321XLR, Boeing 737-800, Boeing 737 MAX 9.