Study of Flight Departure Delay and Causal Factor Using Spatial Analysis

Table 6

Estimation results of delay and causal factors for each model.

Variable	OLS estimation		Spatial lag model		Spatial error model
		p		p		p
Constant	-189.2450	0.0008	-275.3832	0.0000	81.4065	0.2570
T	192.5201	0.0066	163.5734	0.0029	197.2891	0.0003
TL	179.6183	0.0013	150.6237	0.0005	140.6904	0.0006
W	1059.5640	0.0000	699.4476	0.0000	769.7684	0.0000
WL	247.8793	0.0000	181.4880	0.0000	161.2410	0.0000
WR	275.8793	0.0187	90.3014	0.3228	147.4748	0.1265
CF	292.8883	0.0000	139.7609	0.0000	128.7156	0.0000
CR	205.2254	0.0000	141.3503	0.0002	120.0013	0.0002
NF	28.3640	0.0000	19.8473	0.0000	28.7060	0.0000
			0.5806	0.0000
					0.6926	0.0000
R^2	0.5977		0.7928		0.7884
F	62.0591
Log likelihood	-3638.21		-3539.13		-3554.8640
SC	7332.53		7140.61		7165.84
AIC	7294.43		7098.26		7127.73
Likelihood Ratio			198.1630		166.6973

Note: , , and represent significance in 1%, 5%, and 10% levels, respectively.