Northwest Airlines Aircraft Operating Statistics- Cost Per Block Hour (Unadjusted)
Northwest Airlines
1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
  Small Narrowbodies $1,787 $1,884 $1,846 $1,991 $1,881 $2,116 $2,343 $2,212 $2,275 $2,540 $3,066 $2,980 $3,014 $4,231 $3,296
(Ex Fuel) $1,309 $1,308 $1,290 $1,514 $1,427 $1,412 $1,668 $1,635 $1,628 $1,622 $1,725 $1,421 $1,413 $1,470 $1,819
Pilots $625 $561 $524 $591 $583 $581 $648 $674 $731 $716 $701 $546 $523 $522 $788
Salaries and Wages $476 $386 $354 $405 $381 $401 $443 $454 $468 $460 $400 $323 $360 $340 $530
Pilot Training $30 $36 $44 $43 $40 $39 $41 $35 $38 $35 $28 $20 $29 $28 $27
Benefits and Payroll Taxes $89 $107 $91 $103 $124 $100 $125 $151 $192 $190 $240 $167 $98 $114 $187
Per Diem/ Personnel $31 $33 $35 $39 $39 $41 $39 $35 $32 $31 $33 $35 $36 $40 $43
Purchased Goods $525 $646 $623 $542 $518 $774 $741 $646 $712 $978 $1,413 $1,637 $1,681 $2,870 $1,490
Fuel/Oil $477 $576 $556 $477 $454 $704 $674 $576 $647 $919 $1,341 $1,559 $1,601 $2,761 $1,477
Insurance $6 $5 $4 $4 $3 $3 $4 $7 $4 $3 $3 $3 $2 $2 $12
Other (inc. Tax) $42 $65 $63 $60 $61 $67 $63 $63 $61 $56 $69 $75 $78 $107 $0
Maintenance $373 $411 $447 $580 $492 $432 $487 $504 $446 $460 $549 $444 $492 $533 $586
Labor $54 $53 $48 $51 $47 $46 $43 $50 $39 $35 $22 $1 $1 $3 $7
Materials $138 $145 $157 $200 $165 $124 $117 $114 $75 $111 $93 $56 $58 $66 $64
Third Party $66 $85 $116 $170 $143 $112 $156 $145 $159 $159 $280 $314 $340 $355 $352
Total Direct $230 $270 $317 $420 $341 $281 $315 $306 $270 $304 $392 $364 $389 $423 $424
Burden $143 $141 $132 $161 $152 $151 $172 $198 $175 $155 $164 $80 $102 $110 $162
Aircraft Ownership $260 $259 $243 $270 $280 $320 $451 $359 $384 $383 $399 $348 $310 $294 $412
Rentals $165 $146 $122 $124 $111 $144 $146 $137 $141 $140 $146 $98 $114 $106 $87
Depreciation and Amortization $94 $112 $121 $146 $169 $176 $305 $222 $243 $242 $253 $250 $196 $188 $325
Other $5 $7 $9 $9 $8 $10 $15 $28 $3 $4 $4 $5 $9 $12 $20
Indicies
Aircraft In Fleet             267             277             275             284             283             285             295             307             298             302             287             247              239              208              197
Seats Per Departure             126             125             124             125             126             125             124             124             123             125             126             128              129              131              158
Average Stage Length             612             612             614             622             633             639             648             657             658             660             669             675              665              696              884
Gallons of Fuel Per Block Hour             902             895             887             883             869             854             848             825             794             787             781             773              775              769              799
Load Factor 65.8% 65.8% 67.7% 67.7% 67.6% 70.0% 68.2% 69.5% 70.6% 73.2% 76.8% 80.8% 80.9% 82.7% 83.5%
Daily Utilization per Aircraft
Block Hours            8.85            8.66            8.64            7.86            8.71            8.88            8.39            8.07            8.05            8.10            8.12            8.52             8.38             8.45             9.15
Airborne Hours            7.16            6.98            6.92            6.27            6.91            7.04            6.70            6.47            6.51            6.51            6.49            6.79             6.55             6.67             6.70
Departures            4.82            4.69            4.62            4.12            4.49            4.53            4.26            4.06            4.08            4.08            4.03            4.16             4.02             3.96             3.67
  Large Narrowbodies $2,341 $2,533 $2,362 $2,429 $2,260 $2,794 $3,002 $2,928 $2,807 $3,332 $3,911 $4,354 $4,116 $5,728 $4,279
(Ex Fuel) $1,818 $1,893 $1,740 $1,900 $1,735 $1,968 $2,213 $2,233 $1,980 $2,100 $2,106 $2,202 $1,949 $1,961 $2,209
Pilots $661 $624 $616 $687 $675 $657 $717 $727 $804 $824 $792 $619 $588 $641 $928
Salaries and Wages $508 $431 $422 $474 $447 $458 $491 $491 $517 $542 $464 $377 $411 $427 $623
Pilot Training $33 $40 $51 $50 $47 $44 $45 $37 $42 $41 $31 $24 $33 $34 $32
Benefits and Payroll Taxes $93 $124 $110 $126 $146 $116 $144 $167 $213 $210 $264 $182 $106 $134 $222
Per Diem/ Personnel $26 $29 $32 $36 $36 $39 $37 $32 $31 $31 $33 $36 $38 $46 $51
Purchased Goods $582 $725 $706 $614 $606 $912 $875 $790 $918 $1,319 $1,910 $2,261 $2,273 $3,872 $2,084
Fuel/Oil $522 $640 $622 $529 $525 $825 $789 $695 $827 $1,232 $1,805 $2,152 $2,166 $3,767 $2,070
Insurance $14 $15 $12 $9 $5 $4 $6 $13 $9 $7 $6 $5 $2 $3 $14
Other (inc. Tax) $46 $70 $73 $75 $76 $83 $80 $82 $83 $80 $99 $104 $105 $102 $0
Maintenance $638 $646 $501 $595 $474 $719 $868 $852 $472 $567 $549 $938 $891 $886 $689
Labor $61 $60 $46 $53 $42 $38 $65 $74 $35 $47 $19 $1 $1 $3 $9
Materials $317 $333 $245 $240 $231 $440 $410 $374 $198 $223 $112 $129 $72 $96 $77
Third Party $104 $94 $81 $137 $73 $114 $137 $116 $77 $84 $273 $735 $719 $633 $413
Total Direct $473 $487 $373 $429 $339 $592 $612 $564 $310 $353 $401 $865 $792 $731 $499
Burden $165 $159 $128 $166 $135 $128 $256 $288 $162 $214 $147 $74 $99 $154 $190
Aircraft Ownership $453 $534 $536 $524 $496 $496 $532 $551 $605 $615 $653 $529 $359 $320 $554
Rentals $306 $395 $390 $408 $382 $382 $395 $370 $349 $339 $323 $171 $114 $117 $171
Depreciation and Amortization $147 $139 $146 $116 $114 $114 $137 $181 $255 $277 $330 $358 $245 $203 $383
Other $6 $5 $3 $10 $9 $9 $10 $8 $9 $6 $8 $8 $4 $11 $23
Indicies
Aircraft In Fleet               33               42               48               48               48               48               50               56               65               67               66               62                72                69                59
Seats Per Departure             184             190             191             191             191             191             185             183             190             194             195             196              193              190              193
Average Stage Length          1,103          1,127          1,126          1,150          1,137          1,118          1,180          1,207          1,189          1,191          1,243          1,249            1,331            1,470            1,409
Gallons of Fuel Per Block Hour             980             980             986             995             998             999          1,001          1,001          1,020          1,039          1,050          1,060            1,046            1,050            1,112
Load Factor                 1                 1                 1                 1                 1                 1                 1                 1                 1                 1                 1                 1                  1                  1                  1
Daily Utilization per Aircraft
Block Hours                11               11               12               11               12               12               11               10                 9                 9               10               11                10                11                10
Airborne Hours                 9               10               10                 9               10               10                 9                 9                 8                 8                 9                 9                  9                  9                  8
Departures                 4                 4                 4                 4                 4                 4                 4                 3                 3                 3                 3                 3                  3                  3                  3
  Widebodies $5,264 $5,891 $5,883 $6,059 $5,605 $6,777 $6,709 $7,411 $6,982 $7,803 $8,680 $8,880 $8,271 $12,178 $9,401
(Ex Fuel) $3,399 $3,654 $3,746 $4,351 $3,855 $4,122 $4,235 $5,188 $4,416 $4,237 $3,888 $3,297 $3,019 $3,176 $3,030
Pilots $1,226 $1,219 $1,248 $1,408 $1,339 $1,303 $1,404 $1,463 $1,706 $1,605 $1,519 $1,160 $1,050 $1,091 $1,331
Salaries and Wages $950 $870 $896 $1,029 $938 $954 $1,010 $1,040 $1,162 $1,084 $918 $714 $733 $732 $894
Pilot Training $62 $77 $105 $103 $91 $86 $88 $75 $91 $80 $60 $44 $57 $55 $47
Benefits and Payroll Taxes $158 $219 $195 $220 $253 $202 $248 $291 $388 $378 $483 $342 $198 $234 $318
Per Diem/ Personnel $56 $53 $52 $56 $58 $60 $58 $57 $65 $64 $58 $59 $62 $69 $72
Purchased Goods $1,931 $2,308 $2,196 $1,761 $1,804 $2,714 $2,525 $2,274 $2,605 $3,600 $4,829 $5,614 $5,277 $9,034 $6,389
Fuel/Oil $1,865 $2,237 $2,137 $1,707 $1,750 $2,655 $2,474 $2,223 $2,567 $3,566 $4,792 $5,583 $5,253 $9,002 $6,371
Insurance $21 $18 $12 $10 $6 $5 $7 $16 $10 $8 $8 $8 $5 $6 $18
Other (inc. Tax) $45 $53 $47 $43 $48 $53 $44 $34 $28 $25 $29 $23 $19 $25 $0
Maintenance $1,307 $1,580 $1,670 $2,031 $1,567 $1,612 $1,727 $1,499 $1,207 $740 $1,089 $1,221 $1,123 $1,129 $970
Labor $150 $146 $166 $174 $131 $152 $137 $117 $62 $21 $8 $1 $1 $2 $13
Materials $385 $581 $539 $733 $506 $460 $401 $329 $241 $201 $186 $167 $128 $138 $110
Third Party $261 $383 $406 $482 $385 $431 $458 $444 $509 $347 $677 $821 $759 $715 $570
Total Direct $791 $1,085 $1,109 $1,374 $1,014 $1,009 $995 $890 $807 $572 $871 $941 $869 $845 $693
Burden $516 $496 $561 $657 $553 $603 $732 $610 $400 $185 $219 $280 $254 $306 $277
Aircraft Ownership $767 $741 $732 $810 $850 $1,114 $1,011 $2,049 $1,400 $1,765 $1,248 $884 $818 $900 $678
Rentals $604 $564 $555 $555 $556 $596 $617 $735 $870 $888 $809 $396 $340 $333 $134
Depreciation and Amortization $163 $177 $176 $255 $294 $517 $393 $1,314 $530 $878 $440 $488 $478 $567 $544
Other $33 $43 $37 $50 $45 $36 $44 $125 $63 $93 -$5 $1 $4 $24 $33
Indicies
Aircraft In Fleet               70               72               76               80               84               87               90               81               66               65               67               64                59                62                47
Seats Per Departure             300             305             305             303             302             304             292             295             287             276             272             266              275              288              299
Average Stage Length          2,832          2,894          2,934          3,040          2,997          2,978          3,027          3,241          3,513          3,577          3,579          3,475            3,497            3,612            3,787
Gallons of Fuel Per Block Hour          3,178          3,185          3,179          3,175          3,168          3,151          3,098          3,190          3,178          2,979          2,868          2,743            2,571            2,481            3,258
Load Factor 76.2% 78.9% 79.2% 77.0% 80.0% 81.7% 79.0% 83.6% 82.3% 86.3% 87.3% 88.1% 86.5% 85.2% 81.8%
Daily Utilization per Aircraft
Block Hours           11.54          11.76          11.61          10.44          10.88          11.10          10.49            9.94          10.80          11.59          11.71          11.57            12.49            11.78             8.92
Airborne Hours          10.64          10.84          10.68            9.63            9.98          10.17            9.62            9.19          10.12          10.82          11.07          10.74            11.45            10.97            10.58
Departures            1.93            1.93            1.88            1.64            1.72            1.76            1.64            1.47            1.50            1.57            1.58            1.60             1.71             1.56             1.14
  Total Fleet $2,638 $2,880 $2,858 $2,998 $2,798 $3,319 $3,468 $3,406 $3,267 $3,705 $4,383 $4,486 $4,361 $6,369 $4,422
(Ex Fuel) $1,839 $1,917 $1,926 $2,228 $2,034 $2,134 $2,351 $2,468 $2,222 $2,214 $2,242 $1,965 $1,867 $1,967 $2,082
Pilots $766 $719 $705 $794 $772 $763 $836 $847 $930 $909 $887 $689 $648 $677 $899
Salaries and Wages $587 $502 $490 $560 $519 $541 $584 $582 $609 $596 $519 $416 $450 $449 $604
Pilot Training $38 $46 $59 $58 $53 $51 $52 $44 $49 $45 $35 $26 $36 $35 $31
Benefits and Payroll Taxes $105 $135 $118 $134 $157 $126 $157 $183 $233 $230 $295 $207 $121 $146 $214
Per Diem/ Personnel $36 $37 $39 $43 $43 $45 $44 $39 $38 $37 $38 $40 $42 $48 $49
Purchased Goods $852 $1,035 $1,000 $835 $828 $1,254 $1,182 $1,008 $1,110 $1,549 $2,212 $2,595 $2,568 $4,492 $2,354
Fuel/Oil $799 $962 $933 $770 $764 $1,185 $1,117 $938 $1,045 $1,491 $2,141 $2,521 $2,494 $4,402 $2,340
Insurance $10 $9 $7 $6 $4 $4 $5 $10 $6 $5 $5 $5 $3 $3 $13
Other (inc. Tax) $43 $63 $61 $59 $60 $66 $61 $60 $58 $54 $66 $69 $71 $88 $0
Maintenance $613 $707 $739 $919 $738 $752 $833 $764 $596 $532 $661 $701 $711 $748 $665
Labor $76 $75 $75 $80 $66 $70 $68 $67 $43 $34 $19 $1 $1 $3 $8
Materials $213 $268 $259 $329 $254 $248 $225 $198 $127 $147 $116 $93 $76 $89 $74
Third Party $114 $154 $178 $237 $189 $188 $225 $203 $213 $184 $362 $501 $510 $499 $398
Total Direct $384 $484 $509 $642 $497 $497 $517 $467 $380 $365 $493 $580 $577 $588 $480
Burden $231 $224 $231 $276 $242 $255 $316 $298 $216 $171 $172 $121 $134 $164 $185
Aircraft Ownership $395 $404 $399 $432 $443 $533 $595 $741 $615 $693 $620 $495 $428 $437 $481
Rentals $280 $273 $262 $265 $253 $284 $292 $297 $315 $320 $315 $175 $162 $160 $112
Depreciation and Amortization $115 $130 $138 $167 $190 $249 $303 $444 $300 $373 $305 $321 $266 $277 $370
Other $11 $15 $15 $18 $17 $16 $21 $45 $15 $22 $3 $5 $7 $15 $23
Indicies
Aircraft In Fleet             370             392             399             412             414             420             435             444             429             434             420             373              370              338              303
Seats Per Departure             183             186             188             188             188             189             184             179             176             176             178             179              184              191              192
Average Stage Length             846             862             882             899             905             914             928             921             915             925             961             978            1,003            1,085            1,142
Gallons of Fuel Per Block Hour          1,430          1,428          1,434          1,431          1,420          1,421          1,402          1,346          1,289          1,259          1,263          1,243            1,213            1,220            1,236
Load Factor 71.5% 73.1% 74.3% 73.1% 74.6% 76.6% 74.3% 77.1% 77.2% 80.2% 82.6% 84.8% 84.6% 84.8% 83.7%
Daily Utilization per Aircraft
Block Hours             9.56            9.50            9.56            8.73            9.49            9.67            9.12            8.69            8.67            8.83            9.00            9.40             9.42             9.49             9.22
Airborne Hours            8.02            7.97            7.98            7.28            7.87            8.01            7.60            7.26            7.30            7.41            7.56            7.86             7.79             7.97             7.63
Departures            4.19            4.09            4.02            3.59            3.86            3.90            3.64            3.49            3.53            3.55            3.50            3.59             3.47             3.31             3.10