About 56% Starlink odds, weighted to recent UA687 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 152 recent flights; Starlink found in 15 of 21 Wi-Fi checks since Mar 17, 2026 (last N66808, Oct 16, 2026).
Aircraft seen on UA687: Boeing 737-900ER, Boeing 737-800, Boeing 737 MAX 8, Airbus A320.