Travelers flying through Newark are facing a wave of cancellations and delays due to staffing shortages and equipment failures.

United Airlines says it will cancel dozens of Newark flights per day after this week's delays and FAA staffing problems.

The Federal Aviation Administration said staffing issues, low clouds and construction were hindering traffic at the airport, resulting in average delays of about four hours for some arrivals. Officials recommended travelers check with their airlines to see if their flights were affected.