1996
                                            Three Months Ended
                              March 31    June 30   September 30  December 31
                                   ($ thousands, except share and per share amount)

Operating revenues            $ 401,374   $ 414,462   $ 428,513   $ 414,835
Operating expenses and costs    410,216     420,445     432,232     418,619 
Operating loss                   (8,842)     (5,983)     (3,719)     (3,784)
Other expense - net               5,995       8,179       8,835      11,401
Income taxes (credit)            (5,278)     (5,376)     (4,068)     (5,413)
Net loss                      $  (9,559)  $  (8,786)  $  (8,486)  $  (9,772)

Net loss per share            $   (0.54)  $   (0.51)  $   (0.49)  $   (0.56)
Average shares 
 outstanding - Note H         19,516,539  19,512,367  19,508,620  19,504,830
            

                                                   1996
                                             Three Months Ended
                              March 31    June 30   September 30  December 31
                                   ($ thousands, except share and per share amount)

Operating revenues            $ 311,207   $ 312,094   $ 398,551   $ 415,427
Operating expenses and costs    297,853     304,890     412,691     445,304 
Operating income (loss)          13,354       7,204     (14,140)    (29,877)
Other expense - net               3,596       2,919       6,632      10,381
Income taxes (credit)             4,616       2,602      (7,643)    (13,770)
Net income (loss)             $   5,142   $   1,683   $ (13,129)  $ (26,488)

Net income (loss) per share   $    0.21   $    0.03   $   (0.73)  $   (1.41)
Average shares 
 outstanding - Note H         19,566,404  19,515,132  19,549,160  19,529,408