_id	BTS Delay reasons share	Air Carrier Delay	Aircraft Arriving Late	National Aviation System Delay	Security Delay	Extreme Weather	On time 15
9	2022-01-01	0.4244604316546763	0.3010514665190924	0.23076923076923078	0.0027670171555063644	0.04095185390149419	0.7557
10	2022-02-01	0.3903743315508021	0.3181818181818182	0.25080213903743315	0.0037433155080213902	0.03689839572192513	0.7676
11	2022-03-01	0.363979255068364	0.3437057991513437	0.2597831211692598	0.003771805752003772	0.02876001885902876	0.7699
12	2022-04-01	0.3721251149954002	0.35740570377184916	0.23919043238270468	0.0032198712051517936	0.028058877644894203	0.7568
13	2022-05-01	0.3782082324455206	0.3355932203389831	0.24648910411622277	0.0029055690072639223	0.036803874092009685	0.7713
14	2022-06-01	0.3889365351629503	0.35506003430531735	0.2169811320754717	0.0025728987993138934	0.03644939965694683	0.733
15	2022-07-01	0.3636363636363636	0.37009909521757867	0.2193020249892288	0.0034467901766479965	0.043515725980180955	0.747
16	SOURCE: Bureau of Transportation Statistics (BTS)	Note: Diverted and cancelled flights were removed for comparability reasons