About 7% Starlink odds, weighted to recent UA255 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 63 recent flights; Starlink found in 2 of 5 Wi-Fi checks since Feb 16, 2026 (last N37267, Sep 25, 2026).
Aircraft seen on UA255: Boeing 737-800, Airbus A320, Boeing 737.