About 47% Starlink odds, weighted to recent UA2637 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 77 recent flights; Starlink found in 4 of 7 Wi-Fi checks since Mar 17, 2026 (last N66893, Oct 10, 2026).
Aircraft seen on UA2637: Boeing 737-900ER, Boeing 737-800.