Newark's Liberty International Airport has been hit hard by delays and technical issues over the last few weeks, and a major transatlantic flight headed for the airport was recently canceled. The flight,

United Airlines said requiring all passengers to check in earlier than 30 minutes before departure for domestic flights helps streamline its policy.

The move, which applies to travelers without checked bags, starts June 3. “The change brings greater consistency for our customers by aligning with our current checked baggage deadline and the check-in policies followed by most other airlines,