More than 50 American Airlines flights have been delayed in the past two days by a glitch in navigation-map software loaded on to pilots’ iPads.

More than 50 American Airlines flights have been delayed in the past two days by a glitch in navigation-map software loaded on pilots’ iPads.

American Airlines cancelled an additional 296 flights as repairs continued on planes grounded by hail damage in Texas, but it hoped to be nearly back to normal operations.

American Airlines said it will cut more than a dozen flights from Puerto Rico to the US and the Dominican Republic next year as a result of the economic crisis.