Great Lakes Aviation, Ltd. reported preliminary passenger traffic results for the month and year to date ended December 2012. For the month, the company reported revenue passenger miles of 12,080,000 against 14,054,000 in the same period of last year. Available seat miles were 31,851,000 against 29,854,000 in the same period of last year. Load factor was 37.9% against 47.1% in the same period of last year. RASM was 32.41 cents against 34.32 cents in the same period of last year. Passengers Enplaned was 40,194 against 43,897 in the same period of last year.

For the year to date, the company reported revenue passenger miles of 169,929,000 against 162,893,000 in the same period of last year. Available seat miles were 397,160,000 against 370,376,000 in the same period of last year. Load factor was 42.8% against 44.0% in the same period of last year. RASM was 34.06 cents against 33.08 cents in the same period of last year.