Great Lakes Aviation, Ltd. announced preliminary passenger traffic results for the month and year to date ended December 2015. For the month, the company reported passengers enplaned of 7,032 against 11,188 a year ago. Revenue passenger miles were 1,912,000 against 3,121,000 a year ago. Available seat miles were 4,585,000 against 6,893,000 a year ago. Load factor was 41.7% compared to 45.3% a year ago. RASM was 63.59 cents against 65.79 cents last year.

For the year to date, the company reported passengers enplaned of 100,537 against 190,248 a year ago. Revenue passenger miles were 27,850,000 against 54,293,000 a year ago. Available seat miles were 73,769,000 against 118,996,000 a year ago. Load factor was 37.8% compared to 45.6% a year ago. RASM was 56.86 cents against 47.55 cents last year.