Total Aircraft Block Hours - ALL AIRCRAFT
NO ADJUSTMENTS MADE
           
1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
American             2,343,944              2,342,414              2,376,103             2,389,938             2,462,064               2,600,177               2,505,904               2,848,599               2,635,762               2,622,919              2,561,438              2,483,766              2,410,658              2,323,156              2,149,457              2,159,858              2,151,216              2,137,235
Continental             1,033,017              1,070,038              1,148,654             1,256,352             1,338,503               1,379,892               1,336,458               1,233,128               1,185,118               1,242,932              1,296,625              1,418,728              1,502,494              1,441,768              1,304,524              1,268,147              1,347,606                             -  
Delta             1,953,319              2,001,755              2,100,902             2,161,141             2,225,511               2,269,404               2,187,408               1,998,796               1,787,252               1,933,922              1,923,533              1,729,148              1,758,101              1,750,933              1,677,329              2,698,672              2,691,641              2,642,225
Northwest             1,291,188              1,362,560              1,392,573             1,311,880             1,435,810               1,487,463               1,447,191               1,408,396               1,358,658               1,402,452              1,381,536              1,280,748              1,273,956              1,169,775              1,020,202                             -                               -                               -  
United             2,024,459              2,079,294              2,144,700             2,207,741             2,288,336               2,318,269               2,168,914               1,945,043               1,846,201               1,957,537              1,833,178              1,872,199              1,847,989              1,741,916              1,505,411              1,447,842              1,400,935              2,718,885
US Airways             1,342,436              1,292,549              1,308,878             1,272,590             1,320,016               1,462,376               1,382,202               1,082,573                  955,107                  993,946              1,008,619                 827,761                 940,248              1,291,450              1,216,730              1,192,005              1,209,431              1,202,023
American West                373,495                 424,313                 456,523                461,220                492,607                  516,756                  508,035                  502,872                  515,781                  554,383                 561,433                 544,097                 394,433                             -                               -                               -                               -                               -  
 --sub Network        10,361,858        10,572,923        10,928,333        11,060,862        11,562,847         12,034,337         11,536,112         11,019,407         10,283,879         10,708,091        10,566,362        10,156,447        10,127,879          9,718,998          8,873,653          8,766,524          8,800,829          8,700,368
Southwest                852,902                 935,820              1,024,418             1,067,629             1,169,845               1,307,692               1,395,717               1,456,295               1,502,804               1,607,500              1,755,257              1,890,934              2,041,620              2,136,226              2,026,136              2,021,450              2,113,654              2,604,159
jetBlue                            -                               -                               -                              -                              -                       23,303                     67,154                  126,670                  208,434                  297,200                 378,719                 495,196                 599,030                 602,928                 609,441                 652,859                 702,958                 751,811
AirTran                     2,424                    30,555                    31,583                133,905                175,885                  186,735                  191,230                  235,177                  275,640                  311,008                 386,073                 463,821                 531,649                 549,355                 535,037                 542,586                 549,296                             -  
Frontier                   19,202                    32,808                    42,961                   48,501                   71,789                     82,624                     91,772                  115,193                  134,414                  189,607                 197,283                 227,496                 259,989                 402,079                 214,002                 211,475                 220,935                 214,670
Virgin America                            -                               -                               -                              -                              -                                -                                -                                -                                -                                -                               -                               -                      12,335                    82,441                 117,261                 144,089                 169,142                 215,958
 -- sub LCC            874,528             999,183          1,098,962         1,250,035         1,417,519           1,600,354           1,745,873           1,933,335           2,121,292           2,405,315          2,717,332          3,077,447          3,444,623          3,773,029          3,501,877          3,572,459          3,755,985          3,786,598
Alaska                288,590                 308,598                 318,598                344,171                355,564                  358,893                  375,069                  393,645                  413,614                  435,267                 465,102                 445,724                 451,886                 440,019                 407,316                 417,106                 445,301                 467,510
Hawaiian                   59,050                    62,563                    62,293                   63,171                   70,341                     81,076                     86,582                     72,704                     77,359                     77,202                    81,397                    86,461                    97,309                 104,794                 112,244                 113,217                 125,506                 148,060
Allegiant                            -                               -                               -                              -                              -                         1,905                       1,426                       4,587                     10,641                     19,627                    29,002                    50,829                    65,706                    77,547                    94,524                 106,811                 108,558                 119,856
 -- sub Other            347,640             371,161             380,891            407,342            425,905              441,874              463,077              470,936              501,614              532,096             575,501             583,014             614,901             622,360             614,084             637,134             679,365             735,426
Total All Sectors        11,584,026        11,943,267        12,408,186        12,718,239        13,406,271         14,076,565         13,745,062         13,423,678         12,906,785         13,645,502        13,859,195        13,816,908        14,187,403        14,114,387        12,989,614        12,976,117        13,236,179        13,222,392
Data Source:  US DOT Form 41, schedule T2.