About 54% Starlink odds, weighted to recent UA2099 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 132 recent flights; Starlink found in 14 of 25 Wi-Fi checks since Jan 2, 2026 (last N79541, Oct 15, 2026).
Aircraft seen on UA2099: Boeing 737-800, Airbus A321neo, Airbus A319, Boeing 737-700.