About 24% Starlink odds, weighted to recent UA240 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 85 recent flights; Starlink found in 4 of 8 Wi-Fi checks since Jan 31, 2026 (last N37537, Oct 28, 2026).
Aircraft seen on UA240: Boeing 737 MAX 9, Boeing 737.