American Airlines contradicts family's claim that their wheelchair-bound mother, 67, was left stranded overnight at O'Hare airport and says she was picked up by relatives within 45 minutes after twice using a walker to go outside and smoke

Olimpia Warsaw, who has Parkinson's disease and diabetes, was due to fly out of Chicago's O'Hare International Airport on Friday night
Her flight to Detroit was later canceled during to Midwest blizzard warnings
Warsaw's son claimed an airport porter assigned to take care of her left her stranded for five hours because his shift had ended
American Airlines initially apologized to the family, refunded Warsaw's ticket and vowed to investigate
After reviewing surveillance and multiple call records, the airline released a detailed timeline of events that contradict the family's initial story
Footage shows Warsaw using a walker to go outside the terminal twice to smoke while she waited for 45 minutes to be picked up by relatives
The family had also claimed they didn't know Warsaw was stranded until she failed to arrive in Detroit
But records show her son was contacted twice and that he re-booked her flight