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
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
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
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
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
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
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
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
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
Virgin America                            -                               -                               -                              -                              -                                -                                -                                -                                -                                -                               -                               -                      12,335                    82,441                 117,261                 144,089                 169,142
 -- 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
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
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
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
 -- 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
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
Data Source:  US DOT Form 41, schedule T2.