About 10% Starlink odds, weighted to recent UA555 flights. A firm answer comes about 2 days before departure, once the aircraft is assigned.
Based on 76 recent flights; Starlink found in 1 of 17 Wi-Fi checks since Mar 12, 2026 (last N66893, Jul 11, 2026).
Aircraft seen on UA555: Boeing 737-700, Boeing 737-900ER, Airbus A319, Boeing 737 MAX 8.