About 21% Starlink odds, weighted to recent UA689 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 76 recent flights; Starlink found in 3 of 14 Wi-Fi checks since Apr 19, 2026 (last N68822, Sep 5, 2026).
Aircraft seen on UA689: Boeing 737 MAX 9, Boeing 737-900ER, Boeing 737-800.