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Extreme Heat Disrupts Air Travel Across the U.S.

High temperatures lead to flight delays, cancellations, and passenger discomfort as airlines struggle with operational challenges.

A Southwest Airlines jet takes off from Sky Harbor International airport in Phoenix heading for San Francisco on the 14th day in a row of temperatures 110 degrees or more on July 13, 2023.
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Overview

  • Over 2,500 flights were delayed by Monday afternoon, with numbers expected to rise.
  • High heat reduces air density, affecting engine thrust and making takeoff difficult.
  • Airlines may need to reduce aircraft weight, leading to passenger and baggage removal.
  • Early morning and late evening flights are less likely to be affected by extreme heat.
  • Passengers have faced extended tarmac delays in sweltering conditions, raising safety concerns.