WASHINGTON (Reuters) -Despite hopes the federal government shutdown could end this week, air travelers in the United States are still in for a rough few days of cancellations and delays nationwide before taking to the skies gets back to normal.

As the federal shutdown stretches into its third day of government-ordered flight cuts, over a thousand U.S. flights have already been canceled.

If Wednesday’s vote fails and the government remains shutdown for another weekend, Duffy said there would be “massively more disruption.”

Officials pointed to “rapid decline in controller callouts” after disruptions intensified pressure to end the shutdown.

Jeff Bezos’ space company Blue Origin is potentially hours away from launching a massive rocket that will send twin probes to Mars. The high-stakes mission has deepened the company’s rivalry with Elon Musk’s SpaceX as the two compete for dominance in the commercial spaceflight industry.

An airplane pilot candidly warned his passengers of “frustrating” flight delays, encouraging them to “call your senator” amid the longest government shutdown in U.S. history.

SoftBank-backed Klook, an online travel booking platform, filed for an initial public offering in the United States on Monday.

Airbnb Inc. issued a better-than-expected outlook for the holiday quarter, citing strong demand as US travelers used its recently launched “reserve now, pay later” feature to book trips in advance.

Air travel in the United States could soon "slow to a trickle," authorities warned Sunday as thousands more flights were cancelled or delayed and passengers faced chaos triggered by the federal government shutdown.