About 41% Starlink odds, weighted to recent UA690 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 78 recent flights; Starlink found in 8 of 11 Wi-Fi checks since Jan 2, 2026 (last N14237, Oct 11, 2026).
Aircraft seen on UA690: Boeing 737-800, Boeing 737-900ER.