| Route | Round Trips | Passengers | Growth | ||
| per Day | 2003 – 2009 | 2003 – 2009 | |||
| Blue Water | |||||
| Port Huron to | 1 | 80,890 | → | 132,851 | 64% |
| Chicago | |||||
| Pere Marquette | |||||
| Grand Rapids to | 1 | 73,392 | → | 103,246 | 41% |
| Chicago | |||||
| Wolverine | |||||
| Pontiac/Detroit to | 3 | 326,367 | → | 444,127 | 36% |
| Chicago | |||||
| Wolverine | Blue Water | Pere Marquette | Total | Wolverine/3 | |||
| FY 2000 | 320,383 | 108,266 | 64,825 | 493,474 | 106,794 | ||
| FY 2001 | 295,227 | 105,114 | 58,836 | 459,177 | 98,409 | ||
| FY 2002 | 299,729 | 91,714 | 60,127 | 451,570 | 99,910 | ||
| FY 2003 | 326,367 | 80,890 | 73,392 | 480,649 | 108,789 | ||
| FY 2004 | 366,291 | 94,378 | 87,767 | 548,436 | 122,097 | ||
| FY 2005 | 406,499 | 111,630 | 96,471 | 614,600 | 135,500 | ||
| FY 2006 | 438,529 | 123,823 | 101,932 | 664,284 | 146,176 | ||
| FY 2007 | 449,107 | 127,642 | 104,819 | 681,568 | 149,702 | ||
| FY 2008 | 472,393 | 136,538 | 111,716 | 720,647 | 157,464 | ||
| FY 2009 | 444,127 | 132,851 | 103,246 | 680,224 | 148,042 | ||
| % gain 2000-2008 | 47.4% | 26.1% | 72.3% | 46.0% | |||
| % gain 2000-2009 | 38.6% | 22.7% | 59.3% | 37.8% | |||
| % gain last 7 yrs | 36.1% | 64.2% | 40.7% | 41.5% | |||
| % gain last 6 yrs | 21.2% | 40.8% | 17.6% | 24.0% | |||
| % gain last 5 yrs | 9.3% | 19.0% | 7.0% | 10.7% | |||
| % gain 2007-2008 | 5.2% | 7.0% | 6.6% | 5.7% | |||
| % gain 2008-2009 | -6.0% | -2.7% | -7.6% | -5.6% | |||
| % gain lowest to highest year | 60.0% | 68.8% | 89.9% | 56.9% |