About 6% Starlink odds, weighted to recent UA1388 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 71 recent flights; Starlink found in 1 of 3 Wi-Fi checks since Jan 17, 2026 (last N34282, Sep 23, 2026).
Aircraft seen on UA1388: Boeing 737-800, Airbus A319.