Phoenix Sky Harbor served almost 45 million passengers last year, making it one of the top 50 busiest airports in the world, according to Airports Council International.

Air traffic halted briefly at Phoenix Sky Harbor International Airport the day in 1990 when temperatures reached 122 degrees. It wasn't so much that planes couldn't fly in the heat, though some can't.

Despite this summer's record-breaking streak of 110-plus degree days in Phoenix, airlines have reported few to no cancellations at Sky Harbor in recent days. But the National Weather Service is ...

Data from the flight tracking website FlightAware showed few canceled flights at Sky Harbor in recent days, with 18 cancellations recorded from Monday, July 17, to Thursday, July 20.

Tuesday's forecast for Phoenix includes a high of 120 degrees, and the flights that are affected were to take off between 3 and 6 p.m.....Larger jets that fly out of Sky Harbor have higher maximum ...