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
	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
	(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
	Pilots	$625	$561	$524	$591	$583	$581	$648	$674	$731	$716	$701	$546	$523	$522
	Salaries and Wages	$476	$386	$354	$405	$381	$401	$443	$454	$468	$460	$400	$323	$360	$340
	Pilot Training	$30	$36	$44	$43	$40	$39	$41	$35	$38	$35	$28	$20	$29	$28
	Benefits and Payroll Taxes	$89	$107	$91	$103	$124	$100	$125	$151	$192	$190	$240	$167	$98	$114
	Per Diem/ Personnel	$31	$33	$35	$39	$39	$41	$39	$35	$32	$31	$33	$35	$36	$40
	Purchased Goods	$525	$646	$623	$542	$518	$774	$741	$646	$712	$978	$1,413	$1,637	$1,681	$2,870
	Fuel/Oil	$477	$576	$556	$477	$454	$704	$674	$576	$647	$919	$1,341	$1,559	$1,601	$2,761
	Insurance	$6	$5	$4	$4	$3	$3	$4	$7	$4	$3	$3	$3	$2	$2
	Other (inc. Tax)	$42	$65	$63	$60	$61	$67	$63	$63	$61	$56	$69	$75	$78	$107
	Maintenance	$373	$411	$447	$580	$492	$432	$487	$504	$446	$460	$549	$444	$492	$533
	Labor	$54	$53	$48	$51	$47	$46	$43	$50	$39	$35	$22	$1	$1	$3
	Materials	$138	$145	$157	$200	$165	$124	$117	$114	$75	$111	$93	$56	$58	$66
	Third Party	$66	$85	$116	$170	$143	$112	$156	$145	$159	$159	$280	$314	$340	$355
	Total Direct	$230	$270	$317	$420	$341	$281	$315	$306	$270	$304	$392	$364	$389	$423
	Burden	$143	$141	$132	$161	$152	$151	$172	$198	$175	$155	$164	$80	$102	$110
	Aircraft Ownership	$260	$259	$243	$270	$280	$320	$451	$359	$384	$383	$399	$348	$310	$294
	Rentals	$165	$146	$122	$124	$111	$144	$146	$137	$141	$140	$146	$98	$114	$106
	Depreciation and Amortization	$94	$112	$121	$146	$169	$176	$305	$222	$243	$242	$253	$250	$196	$188
	Other	$5	$7	$9	$9	$8	$10	$15	$28	$3	$4	$4	$5	$9	$12
	Indicies
	Aircraft In Fleet	267	277	275	284	283	285	295	307	298	302	287	247	239	208
	Seats Per Departure	126	125	124	125	126	125	124	124	123	125	126	128	129	131
	Average Stage Length	612	612	614	622	633	639	648	657	658	660	669	675	665	696
	Gallons of Fuel Per Block Hour	902	895	887	883	869	854	848	825	794	787	781	773	775	769
	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%
	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
	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
	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
	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
	(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
	Pilots	$661	$624	$616	$687	$675	$657	$717	$727	$804	$824	$792	$619	$588	$641
	Salaries and Wages	$508	$431	$422	$474	$447	$458	$491	$491	$517	$542	$464	$377	$411	$427
	Pilot Training	$33	$40	$51	$50	$47	$44	$45	$37	$42	$41	$31	$24	$33	$34
	Benefits and Payroll Taxes	$93	$124	$110	$126	$146	$116	$144	$167	$213	$210	$264	$182	$106	$134
	Per Diem/ Personnel	$26	$29	$32	$36	$36	$39	$37	$32	$31	$31	$33	$36	$38	$46
	Purchased Goods	$582	$725	$706	$614	$606	$912	$875	$790	$918	$1,319	$1,910	$2,261	$2,273	$3,872
	Fuel/Oil	$522	$640	$622	$529	$525	$825	$789	$695	$827	$1,232	$1,805	$2,152	$2,166	$3,767
	Insurance	$14	$15	$12	$9	$5	$4	$6	$13	$9	$7	$6	$5	$2	$3
	Other (inc. Tax)	$46	$70	$73	$75	$76	$83	$80	$82	$83	$80	$99	$104	$105	$102
	Maintenance	$638	$646	$501	$595	$474	$719	$868	$852	$472	$567	$549	$938	$891	$886
	Labor	$61	$60	$46	$53	$42	$38	$65	$74	$35	$47	$19	$1	$1	$3
	Materials	$317	$333	$245	$240	$231	$440	$410	$374	$198	$223	$112	$129	$72	$96
	Third Party	$104	$94	$81	$137	$73	$114	$137	$116	$77	$84	$273	$735	$719	$633
	Total Direct	$473	$487	$373	$429	$339	$592	$612	$564	$310	$353	$401	$865	$792	$731
	Burden	$165	$159	$128	$166	$135	$128	$256	$288	$162	$214	$147	$74	$99	$154
	Aircraft Ownership	$453	$534	$536	$524	$496	$496	$532	$551	$605	$615	$653	$529	$359	$320
	Rentals	$306	$395	$390	$408	$382	$382	$395	$370	$349	$339	$323	$171	$114	$117
	Depreciation and Amortization	$147	$139	$146	$116	$114	$114	$137	$181	$255	$277	$330	$358	$245	$203
	Other	$6	$5	$3	$10	$9	$9	$10	$8	$9	$6	$8	$8	$4	$11
	Indicies
	Aircraft In Fleet	33	42	48	48	48	48	50	56	65	67	66	62	72	69
	Seats Per Departure	184	190	191	191	191	191	185	183	190	194	195	196	193	190
	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
	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
	Load Factor	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
	Airborne Hours	9	10	10	9	10	10	9	9	8	8	9	9	9	9
	Departures	4	4	4	4	4	4	4	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
	(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
	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
	Salaries and Wages	$950	$870	$896	$1,029	$938	$954	$1,010	$1,040	$1,162	$1,084	$918	$714	$733	$732
	Pilot Training	$62	$77	$105	$103	$91	$86	$88	$75	$91	$80	$60	$44	$57	$55
	Benefits and Payroll Taxes	$158	$219	$195	$220	$253	$202	$248	$291	$388	$378	$483	$342	$198	$234
	Per Diem/ Personnel	$56	$53	$52	$56	$58	$60	$58	$57	$65	$64	$58	$59	$62	$69
	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
	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
	Insurance	$21	$18	$12	$10	$6	$5	$7	$16	$10	$8	$8	$8	$5	$6
	Other (inc. Tax)	$45	$53	$47	$43	$48	$53	$44	$34	$28	$25	$29	$23	$19	$25
	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
	Labor	$150	$146	$166	$174	$131	$152	$137	$117	$62	$21	$8	$1	$1	$2
	Materials	$385	$581	$539	$733	$506	$460	$401	$329	$241	$201	$186	$167	$128	$138
	Third Party	$261	$383	$406	$482	$385	$431	$458	$444	$509	$347	$677	$821	$759	$715
	Total Direct	$791	$1,085	$1,109	$1,374	$1,014	$1,009	$995	$890	$807	$572	$871	$941	$869	$845
	Burden	$516	$496	$561	$657	$553	$603	$732	$610	$400	$185	$219	$280	$254	$306
	Aircraft Ownership	$767	$741	$732	$810	$850	$1,114	$1,011	$2,049	$1,400	$1,765	$1,248	$884	$818	$900
	Rentals	$604	$564	$555	$555	$556	$596	$617	$735	$870	$888	$809	$396	$340	$333
	Depreciation and Amortization	$163	$177	$176	$255	$294	$517	$393	$1,314	$530	$878	$440	$488	$478	$567
	Other	$33	$43	$37	$50	$45	$36	$44	$125	$63	$93	-$5	$1	$4	$24
	Indicies
	Aircraft In Fleet	70	72	76	80	84	87	90	81	66	65	67	64	59	62
	Seats Per Departure	300	305	305	303	302	304	292	295	287	276	272	266	275	288
	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
	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
	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%
	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
	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
	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
	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
	(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
	Pilots	$766	$719	$705	$794	$772	$763	$836	$847	$930	$909	$887	$689	$648	$677
	Salaries and Wages	$587	$502	$490	$560	$519	$541	$584	$582	$609	$596	$519	$416	$450	$449
	Pilot Training	$38	$46	$59	$58	$53	$51	$52	$44	$49	$45	$35	$26	$36	$35
	Benefits and Payroll Taxes	$105	$135	$118	$134	$157	$126	$157	$183	$233	$230	$295	$207	$121	$146
	Per Diem/ Personnel	$36	$37	$39	$43	$43	$45	$44	$39	$38	$37	$38	$40	$42	$48
	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
	Fuel/Oil	$799	$962	$933	$770	$764	$1,185	$1,117	$938	$1,045	$1,491	$2,141	$2,521	$2,494	$4,402
	Insurance	$10	$9	$7	$6	$4	$4	$5	$10	$6	$5	$5	$5	$3	$3
	Other (inc. Tax)	$43	$63	$61	$59	$60	$66	$61	$60	$58	$54	$66	$69	$71	$88
	Maintenance	$613	$707	$739	$919	$738	$752	$833	$764	$596	$532	$661	$701	$711	$748
	Labor	$76	$75	$75	$80	$66	$70	$68	$67	$43	$34	$19	$1	$1	$3
	Materials	$213	$268	$259	$329	$254	$248	$225	$198	$127	$147	$116	$93	$76	$89
	Third Party	$114	$154	$178	$237	$189	$188	$225	$203	$213	$184	$362	$501	$510	$499
	Total Direct	$384	$484	$509	$642	$497	$497	$517	$467	$380	$365	$493	$580	$577	$588
	Burden	$231	$224	$231	$276	$242	$255	$316	$298	$216	$171	$172	$121	$134	$164
	Aircraft Ownership	$395	$404	$399	$432	$443	$533	$595	$741	$615	$693	$620	$495	$428	$437
	Rentals	$280	$273	$262	$265	$253	$284	$292	$297	$315	$320	$315	$175	$162	$160
	Depreciation and Amortization	$115	$130	$138	$167	$190	$249	$303	$444	$300	$373	$305	$321	$266	$277
	Other	$11	$15	$15	$18	$17	$16	$21	$45	$15	$22	$3	$5	$7	$15
	Indicies
	Aircraft In Fleet	370	392	399	412	414	420	435	444	429	434	420	373	370	338
	Seats Per Departure	183	186	188	188	188	189	184	179	176	176	178	179	184	191
	Average Stage Length	846	862	882	899	905	914	928	921	915	925	961	978	1,003	1,085
	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
	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%
	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
	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
	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