About 13% Starlink odds, weighted to recent UA2789 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 128 recent flights; Starlink found in 9 of 10 Wi-Fi checks since May 23, 2026 (last N14237, Sep 20, 2026).
Aircraft seen on UA2789: Airbus A320, Boeing 737-800, Boeing 737-900ER.