WASHINGTON, DC - JULY 29: U.S. President Donald Trump and United Airlines CEO Scott Kirby (C) visit after announcing new plans for Dulles International Airport in the Oval Office at the White House on July 29, 2026 in Washington, DC. The proposed $22.5 billion renovation will replace the unpopular "people movers" with an underground U-shaped train to move travelers between terminals and include a major terminal expansion and more convenient car parking. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - JULY 29: U.S. President Donald Trump, United Airlines CEO Scott Kirby (C) and Transportation Secretary Sean Duffy visit after announcing new plans for Dulles International Airport in the Oval Office at the White House on July 29, 2026 in Washington, DC. The proposed $22.5 billion renovation will replace the unpopular "people movers" with an underground U-shaped train to move travelers between terminals and include a major terminal expansion and more convenient car parking. (Photo by Chip Somodevilla/Getty Images)

US President Donald Trump looks on at the end of an announcement about Dulles International Airport renovations with Secretary of Transportation Sean Duffy (2R) in the Oval Office of the White House in Washington, DC on July 29, 2026. US President Donald Trump is set to unveil a $20 billion plan to rebuild and renovate Washington Dulles International Airport. (Photo by Ken Cedeno / AFP via Getty Images)

WASHINGTON, DC - JULY 29: U.S. Secretary of Transportation Sean Duffy (R) speaks alongside (L-R) Deputy Secretary of Transportation Steven G. Bradbury, MWAA board member Trent Morse, MWAA CEO Jack Potter, U.S. President Donald Trump, and United Airlines CEO Scott Kirby during an announcement to renovate Washington Dulles International Airport, in the Oval Office of the White House on July 29, 2026 in Washington, DC. The Department of Transportation plans to unveil a $22 billion plan to rebuild the federally owned airport that will include an underground U-shaped train to move travelers between terminals along with a major terminal expansion and more convenient car parking. (Photo by Chip Somodevilla/Getty Images)

US President Donald Trump speak with United Airlines CEO Scott Kirby (R) as Transportation Secretary Sean Duffy (2nd R) looks on in the Oval Office of the White House in Washington, DC, on July 29, 2026. US President Donald Trump unveiled a $20 billion plan to rebuild and renovate Washington Dulles International Airport. (Photo by Ken Cedeno / AFP via Getty Images)

US President Donald Trump blinks an eye at the end of an announcement about Dulles International Airport renovations with Secretary of Transportation Sean Duffy (2R) in the Oval Office of the White House in Washington, DC on July 29, 2026. US President Donald Trump is set to unveil a $20 billion plan to rebuild and renovate Washington Dulles International Airport. (Photo by Ken Cedeno / AFP via Getty Images)

US President Donald Trump sits behind an airport model during an announcement about Dulles International Airport renovations with Secretary of Transportation Sean Duffy (2R) in the Oval Office of the White House in Washington, DC on July 29, 2026. US President Donald Trump is set to unveil a $20 billion plan to rebuild and renovate Washington Dulles International Airport. (Photo by Ken Cedeno / AFP via Getty Images)

This rendering of the planned renovation of Washington Dulles International Airport is seen in the Oval Office of the White House in Washington, DC, on July 29, 2026. US President Donald Trump unveiled a $20 billion plan to rebuild and renovate Washington Dulles International Airport. (Photo by Ken Cedeno / AFP via Getty Images)