Cash and Short-term Investments
Millions
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018*** 2019 2020
AMR Corp               2,233               2,488               1,950               2,606               2,929               3,814               4,715               4,535               3,107               4,399               4,487        3,994        3,892        9,215        7,295        6,254        6,359        5,066        4,760        3,826        6,864
Continental Airlines Inc**               1,395               1,102               1,280               1,430               1,458               1,957               2,484               2,903               2,643               2,856                     -                 -                 -                 -                 -                 -                 -                 -                 -                 -                 -  
Delta Air Lines Inc               1,607               2,215               1,969               2,710               1,799               2,008               2,648               2,786               4,467               4,678               3,610        3,615        3,374        3,803        3,305        3,437        3,249        2,639        1,768        2,882      14,096
Northwest Airlines Corp                  693               2,512               2,097               2,757               2,459               1,262               2,058               3,034               2,117                     -                       -                 -                 -                 -                 -                 -                 -                 -                 -                 -                 -  
UAL Corp**               2,344               2,608               1,274               1,718               1,301               1,838               4,144               3,554               2,039               3,042               8,680        7,762        6,543        5,121        4,384        5,196        4,428        3,798        3,950        4,944      11,683
US Airways Group Inc I               1,316               1,078                  634               1,287                  738                     -                       -                       -                       -                       -                       -                 -                 -                 -                 -                 -                 -                 -                 -                 -                 -  
US Airways Group Inc II                     -                       -                       -                       -                       -                       -                 2,365               2,174               1,054               1,502               1,916        1,947        2,376        3,252               -                 -                 -                 -                 -                 -                 -  
America West Holdings Corp                  195                  157                  360                  476                  276                     -                       -                       -                       -                       -                       -                 -                 -                 -                 -                 -                 -                 -                 -                 -                 -  
Midwest Air Group Inc                    16                    47                    41                    88                    81                    99                  118                     -                       -                       -                       -                 -                 -                 -                 -                 -                 -                 -                 -                 -                 -  
  --sub Network and Regional               9,799            12,207              9,606            13,072            11,041            10,978            18,532            18,986            15,427            16,477            18,693      17,318      16,185      21,391      14,984      14,887      14,036      11,503      10,478      11,652      32,643
Southwest Airlines Co                  523               2,279               1,815               1,865               1,305               2,531               1,759               2,779               1,803               2,593               3,538        3,144        2,970        3,152        2,988        3,051        3,305        3,273        3,689        4,072      13,334
AirTran Holdings Inc                    78                  103                  104                  339                  334                  371                  310                  318                  335                  544                  454               -                 -                 -                 -                 -                 -                 -                 -                 -                 -  
JetBlue Airways Corp                    34                  118                  258                  608                  450                  484                  699                  834                  571               1,136                  960        1,206            731            627            708            876            971            695            890        1,331        3,055
Alaska Air Group Inc                  462                  661                  636                  812                  874                  983               1,014                  823               1,077               1,192               1,208        1,141        1,252        1,330        1,217        1,328        1,580        1,621        1,236        1,521        3,346
Hawaiian Holdings Inc                     -                    103                    72                      0                      2                  130                    67                    94                  204                  301                  285            304            406            423            264            282            326            191            269            373            510
  --sub Hybrid               1,097              3,264              2,885              3,624              2,966              4,498              3,849              4,848              3,990              5,766              6,445        5,795        5,359        5,532        5,177        5,537        6,182        5,780        6,084        7,297      20,245
Frontier Airlines Holdings Inc*                  111                    90                  105                  191                  175                  273                  203                  121                    72                     -                       -                 -                 -                 -                 -                 -                 -                 -                 -                 -                 -  
Spirit Airlines, Inc.                     -                       -                       -                       -                       -                       -                       -                       -                       -                       -                      83            343            417            531            633            804            701            801        1,005            979        1,790
  -- sub ULCC                   111                    90                  105                  191                  175                  273                  203                  121                    72                     -                      83            343            417            531            633            804            701            801        1,005            979        1,790
 Total All Sectors             11,007            15,560            12,596            16,887            14,182            15,749            22,584            23,955            19,489            22,243            25,221      23,456      21,961      27,454      20,794      21,227      20,919      18,084      17,566      19,928      54,677
* Frontier Airlines Inc before 2006. Year end March 31 treated as the year before.
** United and Continental are assumed as a single carrier beginning October 1, 2010
*** Note: In 2018, many airlines changed their accounting principles to conform to new standards, which lead to some significant changes in the numbers reported compared to previous years. For the sake of clarity, many airlines provided recast 2017 results in their 10-K reports that  
       can be found in SEC’s EDGAR tool.
Note: Zero value might also mean data not reported.
Data Source:  SEC 10K Filings