BRUSSELS — Passengers arriving in the EU from third countries on Sunday should brace for long waits as the bloc’s new automated registration Entry/Exit System procedure goes live. “Airlines feeding into the big hubs run on tight schedules, so even a few minutes delay at border control can throw off connections,” said Montserrat Barriga, director general of the European Regions Airline Association lobby. The system will be rolled out gradually over six months, meaning not all crossing points