About 28% Starlink odds, weighted to recent UA691 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 78 recent flights; Starlink found in 1 of 8 Wi-Fi checks since Feb 12, 2026 (last N77258, Jun 11, 2026).
Aircraft seen on UA691: Boeing 737-800, Boeing 737 MAX 9, Airbus A319, Airbus A320.