Homeland Security Secretary Alejandro Mayorkas claimed he didn't have access to the itinerary for President Biden's trip to El Paso, Texas despite being on Air Force One with the president at the time.

Mayorkas made the statement during a back-and-forth with reporters while flying to Texas on Sunday on the way to the U.S.-Mexico border for Biden's first visit of his presidency as border officials continue sounding the alarm at the ongoing crisis.

"How closely will President Biden actually see some of the crowding that's taking place in El Paso? Will he see any people in the streets in the downtown area, and will he actually be able to speak to any of the migrants who have crossed?" a reporter asked.

"Forgive me, I'm not that close to what exactly the details of the trip are," Mayorkas responded. "I know he's going to see, as [White House press secretary Karine Jean-Pierre] mentioned, the port of entry, which I think is the second busiest port along the border.

"But I don't know the details of the itinerary," he added.

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Biden's visit comes as U.S. Customs and Border Protection has recorded 718,000 migrant encounters in the first 100 days of fiscal year 2023, beginning Oct. 1. October was the first month in U.S. history that the CBP recorded more than 230,000 migrant encounters, but each month since has also eclipsed that number, CBP sources told Fox News Digital.

The data show a shocking spike in migration compared to the same period in fiscal year 2022 when the CBP logged roughly 518,000 border encounters in the first quarter.

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El Paso, the site of Biden's visit, is the most active sector of the border, with 168,000 migrant encounters recorded since Oct. 1, according to CBP. The agency said it has also recorded 78,161 "got aways" in that sector alone over the same period.

The U.S. has seen record-breaking number of border crossings throughout Biden's tenure, and especially in the final months of 2022. The White House long sought to dismiss the surge as an annual occurrence, but historical data show the current crisis is far beyond traditional yearly surges.

The White House also unveiled a handful of policies aimed at stemming the flow at the border as Biden announced his visit. They include expanding a humanitarian parole program for Venezuelan nationals to include Haitians, Cubans and Nicaraguans, as well as increasing refugee resettlements.

Democratic Colorado Gov. Jared Polis will stop sending migrants to New York City, Chicago and other major Democrat-run cities after mayors expressed outrage at the plan in recent weeks.

Polis had agreed to work with local authorities in Denver to help send migrants to their final destinations. While Colorado is not a border state, it has seen a major influx of migrants seeking passage to elsewhere in the country. Mayors Eric Adams of New York City and Lori Lightfoot of Chicago called on Polis to end his assistance last week as their cities also struggle with a surge in migrants.

"People fleeing violence and oppression in search of a better life for themselves and their families deserve our respect not political games and we are grateful we have been able to assist migrants to reach their final destination," Polis had said of the program. "We refuse to keep people against their will if they desire to travel elsewhere."

Adams and Lightfoot wrote to Polis in a joint letter, urging him to halt his bussing program after it sent just a few hundred migrants.

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"We have seen your statements in the media that you are simply accommodating the wishes of migrants to come to cities like New York City and Chicago," the pair wrote. "However, you are sending migrants and families to New York City and Chicago that do not have any ties, family members or community networks to welcome them."

Adams was outraged at Polis' bussing program during a press conference appearance last week, comparing it to similar programs that Texas Gov. Greg Abbott and Florida Gov. Ron DeSantis used to flood his city with some 30,000 migrants last year.

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"One time we had to deal with Republican governors sending migrants to New York. Now we’re dealing with Democratic governors sending migrants to New York," Adams said Wednesday.

"What’s callous is how we have been ignored as a city. And now I have to make tough decisions on the resources of New York … it is time for the federal government to step up," he added.

Adams' plea for federal assistance comes as President Biden makes his first trip to the U.S.-Mexico border Sunday. The White House also unveiled a handful of policies aimed at stemming the flow at the border last week. They include expanding a humanitarian parole program for Venezuelan nationals to include Haitians, Cubans and Nicaraguans, as well as increasing refugee resettlements.

Biden acknowledged the changes aren't up to the task, however.

"These actions alone that I'm going to announce today aren't going to fix our entire immigration system but they can help us a good deal in managing what is a difficult challenge," he said Thursday.