- Department of Transportation investigating lengthy Delta Air Lines delay in triple-digit temperatures WISH TV Indianapolis, IN
- Buttigieg says DOT investigating why Delta Air Lines passengers remained on plane in extreme heat Fox Business
- U.S. Investigating Why Delta Passengers Were Kept on Plane in Extreme Heat Yahoo News
- Heat concerns remain after investigation on Delta flight from Las Vegas News3LV
- Passenger on board Las Vegas Delta flight describes people needing oxygen tanks Insider
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