About 42% Starlink odds, weighted to recent UA1516 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 79 recent flights; Starlink found in 5 of 8 Wi-Fi checks since Jan 15, 2026 (last N37466, Sep 10, 2026).
Aircraft seen on UA1516: Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-900.