Pope Francis on Monday ruled out a trip to Mexico prior to his September arrival in the United States, as well as a stop at the US/Mexico border, saying both would add too much time to the outing.

Although it’s long been an open secret, the pontiff confirmed that he will be visiting three American cities, all on the East Coast: Philadelphia, for a Vatican-sponsored meeting of families; New York, “for the visit to the U.N.,” and Washington, D.C. MORE