SpringerPlus

Table 5 Arrival delay determinants model based on four threshold levels

From: Framework for determining airport daily departure and arrival delay thresholds: statistical modelling approach

Characteristic	Adjusted odds ratio
Characteristic	Threshold 1 (50 %)	Threshold 2 (60 %)	Threshold 3 (70 %)	Threshold 4 (80 %)
Departure threshold	0.578	0.248**	0.137**	1.000
Departure delay	1.012	1.087**	1.028	0.936*
Number of operations	0.965	1.462**	1.960**	2.984
Scheduled flights	1.035	0.577**	0.000	0.000
Chartered flights	1.052	0.650**	0.001**	0.000
Freighters	0.883*	0.534**	0.001**	0.000
Non-commercial	1.057	0.660**	0.001**	0.000
Persons outgoing	1.000	1.001	1.001*	1.001
Persons incoming	1.001*	1.000*	1.001**	1.001
Visibility	1.000	0.999*	1.000
Wind speed	0.976	1.025
Constant	1.097	21.430**	4.618	0.880
No. of observations	1827	1827	1827	1827
No. of covariate patterns	1827	1827	1827	1827
Pearson chi²	1874.690	2648.530	1352.250	1119.900
Prob > chi²	0.161	0.000	1.000	1.000
Area under ROC curve	0.679	0.882	0.802	0.844

* represents 0.05 and ** represents 0.01 statistical levels of significance

Back to article page