About 18% Starlink odds, weighted to recent UA548 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 65 recent flights; Starlink found in 5 of 14 Wi-Fi checks since May 10, 2026 (last N57439, Sep 4, 2026).
Aircraft seen on UA548: Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-800.