Great Lakes Aviation, Ltd. announced preliminary passenger traffic results for the month and year to date ended of April 2015. For the month, passengers enplaned were 8,812 against 14,253 a year ago. Revenue passenger miles were 2,470,000 against 4,078,000 a year ago. Available seat miles were 7,353,000 against 10,755,000 a year ago. Load factor was 51.50% against 32.01% a year ago.

For the year to date, passengers enplaned were 35,385 against 71,284 a year ago. Revenue passenger miles were 9,935,000 against 20,482,000 a year ago. Available seat miles were 28,442,000 against 50,478,000 a year ago. Load factor was 34.9% against 40.6% a year ago.