While investigators are still working to determine the cause of the crash of Delta Flight 4819, a physicist has offered an explanation for why it flipped over, saying, "The underlying physics is quite simple.

Two Delta Air Lines flights were forced to land early on Saturday after fumes were detected within the cabins of the aircrafts. One flight left, and quickly returned, to Los Angeles, while the other, a flight from the Netherlands to the United States, was forced to divert and land in Ireland. No passengers were reported hurt in either flight.

A Delta Air Lines flight from Minneapolis crashed and overturned while landing at Toronto Pearson Airport on Monday afternoon.