About 59% Starlink odds, weighted to recent UA1381 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 83 recent flights; Starlink found in 9 of 21 Wi-Fi checks since Jan 30, 2026 (last N33284, Sep 19, 2026).
Aircraft seen on UA1381: Boeing 737-800, Airbus A319.