American Airlines grounded flights nationwide on Tuesday due to problems over several hours with its computerized reservation system . NEW : American CEO Smith , says the grounded affected the backup system , too . Nationwide failure is very unusual for a major American airline , big time . Grounding also impacted American 's regional partner , American Eagle . NEW : American said it saw no link between its problems and events in Florida .
NEW : American CEO Smith , says the grounded affected the backup system , too . Nationwide failure is very unusual for a major American airline , big time . Grounding also impacted American 's regional partner , American Eagle . NEW : American said it saw no link between its problems and events in Florida .