About 12% Starlink odds, weighted to recent UA1870 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 69 recent flights; Starlink found in 1 of 12 Wi-Fi checks since Jan 29, 2026 (last N66893, Sep 25, 2026).
Aircraft seen on UA1870: Boeing 737-900ER, Boeing 737 MAX 9, Boeing 757-300, Airbus A319.