Comparative Analysis on Propagation Effects of Flight Delays: A Case Study of China Airlines

Table 2

Probability distribution parameters and test statistics of the sample data.

Sample groups	Flights	Probability distributions	Mean value	Standard deviation	Test statistic (W^2)
1	A	Normal	9.16	12.32	172.16
		Lognormal	1.62	1.08	7.52
		Weibull	8.76	0.92	21.42
		Gamma	9.40	0.98	58.86
	B	Normal	20.52	25.83	167.06
		Lognormal	2.55	0.95	1.32
		Weibull	20.76	1.02	22.55
		Gamma	17.02	1.21	24.86
2	C	Normal	24.67	32.36	15.15
		Lognormal	2.54	1.20	0.30
		Weibull	23.09	0.89	0.90
		Gamma	27.84	0.89	2.22
	D	Normal	32.31	37.66	10.42
		Lognormal	2.88	1.21	1.16
		Weibull	31.58	0.95	0.11
		Gamma	33.31	0.97	0.61
3	E	Normal	9.31	14.60	64.10
		Lognormal	1.60	1.09	2.37
		Weibull	8.63	0.88	7.60
		Gamma	10.12	0.92	11.23
	F	Normal	13.28	19.27	55.29
		Lognormal	2.06	1.01	0.69
		Weibull	13.03	0.97	5.43
		Gamma	12.24	1.09	6.84