About 13% Starlink odds, weighted to recent UA251 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 88 recent flights; Starlink found in 3 of 20 Wi-Fi checks since Jan 17, 2026 (last N14214, Sep 30, 2026).
Aircraft seen on UA251: Boeing 737-800, Boeing 737-900ER, Airbus A319, Boeing 737-900.