Great Lakes Aviation, Ltd. reported traffic results for the month and year to date ended June 2015. For the month, the company reported passengers enplaned of 8,244 against 17,311 a year ago. Revenue passenger miles were 2,226,000 against 5,002,000 a year ago. Available seat miles were 5,761,000 against 8,881,000 a year ago. Load factor were 38.6% against 56.3% a year ago. RASM were 57.84 cents against 56.49 cents a year ago.

For the year to date, the company reported passengers enplaned of 52,970 against 104,728 a year ago. Revenue passenger miles were 14,790,000 against 30,107,000 a year ago. Available seat miles were 40,403,000 against 69,291,000 a year ago. Load factor were 36.6% against 43.5% a year ago. RASM was 55.82 cents against 37.54 cents a year ago.