Hundreds of thousands of stranded travelers are scrambling to make new connections and get through to airlines on jammed phone lines and online portals after the attack on Iran by the United States and Israel shut down much of the Middle East to air travel. Emirates suspended all flights to and from Dubai until at least Monday afternoon. Air India suspended all flights to and from the United Arab Emirates, Saudi Arabia, Israel and Qatar until Tuesday. Flight tracking site FlightAware reported more than 2,800 flights were canceled Sunday across major Middle Eastern airports, including those that remained open. Some international airports in London, Mumbai, Delhi and elsewhere reported dozens of flights canceled, as well.