Delta traffic down; AirTran traffic up

AirTran had a 6.8 percent increase in passenger traffic on an 8.6 percent increase in capacity in January. Its planes averaged 72 percent full, down 1.2 points from a year earlier. Orlando-based AirTran has its largest hub in Atlanta.

At both carriers, passenger traffic is measured in revenue passenger miles, while capacity is measured in available seat miles.

Support real journalism. Support local journalism. Subscribe to The Atlanta Journal-Constitution today. See offers.

Your subscription to the Atlanta Journal-Constitution funds in-depth reporting and investigations that keep you informed. Thank you for supporting real journalism.