About 5% Starlink odds, weighted to recent UA544 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 66 recent flights; Starlink found in 5 of 6 Wi-Fi checks since Jan 2, 2026 (last N69804, Sep 19, 2026).
Aircraft seen on UA544: Boeing 737-900ER, Boeing 737-800, Boeing 737.