more than 18 1 more than 1,800 flights just since friday, creating a nightmare for passengers at its hubs in dallas/fort worth, charlotte, and miami. here is abc s elwyn lopez. reporter: tonight the cascading travel nightmare for passengers across the country, american airlines cancelling at at least 1,000 flights day, and more than 1,800 in all since friday. all these people in line, trying to find alternative flights. reporter: long lines like these at charlotte douglas airport on saturday. eric capron and his wife trying to get to omaha. i just found out my flight has been canceled. i was supposed to depart at 5:50. and we don t know if we re going get out tonight. reporter: howard schwartz finally getting home this morning. i ended up in st. louis. from st. louis i had to spend the night and then take a 6:00 a.m. flight from st. louis back to phoenix. reporter: the airline blaming severe winds at its dallas-fort worth hub days ago and staffing shortages, writing in a