About 53% Starlink odds, weighted to recent UA1437 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 66 recent flights; Starlink found in 10 of 15 Wi-Fi checks since Jan 2, 2026 (last N14548, Sep 27, 2026).
Aircraft seen on UA1437: Airbus A321neo, Boeing 737-800, Boeing 737-900ER, Boeing 737 MAX 9.