About 27% Starlink odds, weighted to recent UA2393 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 144 recent flights; Starlink found in 7 of 8 Wi-Fi checks since Jun 26, 2026 (last N37563, Oct 15, 2026).
Aircraft seen on UA2393: Boeing 737 MAX 9, Boeing 737-900ER, Boeing 737-900, Boeing 737-800.