About 4% Starlink odds, weighted to recent UA1539 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 81 recent flights; Starlink found in 1 of 10 Wi-Fi checks since Feb 9, 2026 (last N68807, Aug 7, 2026).
Aircraft seen on UA1539: Boeing 737 MAX 8, Boeing 737-900ER, Boeing 737.
Last seen Aug 24, 2026.