According to @business, US airlines have canceled flights scheduled for the coming days as the longest government shutdown in US history snarls air travel, with on-the-ground reporting from Newark Liberty International Airport (source: Bloomberg @business). The development highlights near-term operational disruption risk at major hubs, a key catalyst equity traders track in airline names and travel-sensitive instruments for volume and volatility cues (source: Bloomberg @business). Crypto traders may also watch for cross-asset sentiment shifts during US hours as shutdown-driven travel disruptions dominate macro headlines, though no direct crypto impacts were cited in the report (source: Bloomberg @business).