(CNN) Brittany and Corey Oswell were flying home from their Hawaiian honeymoon in 2016 when Brittany became dizzy and fainted.

She came to soon after, but when she later collapsed in the plane's lavatory, a doctor on board who'd been helping her told the flight crew they needed to land quickly, to get her the proper medical treatment.

American Airlines Flight 102 was about an hour and a half from Dallas-Fort Worth, its destination. Despite the doctor's warning, the crew stayed the course while the doctor and flight attendants tried to treat Brittany, who was 25 years old at the time. She was taken to a hospital immediately upon landing, but died three days later.

Now her family is suing the airline for wrongful death.

Brad Cranshaw, the attorney for Brittany's husband and her parents, told CNN Friday the family's main objective isn't winning a financial settlement.

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