About 7% Starlink odds, weighted to recent UA1277 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 88 recent flights; Starlink found in 3 of 23 Wi-Fi checks since Mar 14, 2026 (last N38479, Jul 31, 2026).
Aircraft seen on UA1277: Boeing 737 MAX 9, Boeing 737-900ER, Boeing 737.