Atlanta-based Delta Air Lines said its flights averaged 83.9 percent full in May, up from 82.3 percent full a year earlier.

Delta reported fuller flights as it increased flight capacity by 0.6 percent in the month, while its passenger traffic grew 2.7 percent.

While Delta's domestic passenger traffic was up 0.3 percent, its international passenger traffic grew 6.7 percent, one indication of a recovery in international travel.

AirTran Airways, which is based in Orlando and has its largest hub in Atlanta, said its planes were 80.8 percent full in May, up from 78 percent full a year earlier. It increased flight capacity by 4.6 percent while passenger traffic grew 8.4 percent.

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Passengers wait to check in or drop off luggage at the Frontier Airlines counter around lunchtime Sunday, Nov. 30, 2025. More than 100,000 travelers were expected to fly out of Hartsfield-Jackson Atlanta International Airport on Sunday. (Maya T. Prabhu/AJC)

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