Delay stats for Boston, MA: Logan International per airline for period September 2006

Airline	Total flights	On time	Delay by air carrier	Delay by weather	Delay by national aviation system	Delay by security	Delay by aircraft arriving late	Cancelled	Diverted
Expressjet Airlines Inc.	18	83.33%	1.50%	0.00%	11.11%	0.00%	4.06%	0.00%	0.00%
JetBlue Airways	1 261	80.25%	4.29%	0.30%	8.77%	0.12%	5.71%	0.40%	0.16%
American Airlines Inc.	1 059	79.79%	4.46%	1.89%	6.85%	0.00%	5.68%	1.23%	0.09%
Continental Air Lines Inc.	537	79.70%	2.84%	0.17%	12.09%	0.00%	4.64%	0.56%	0.00%
Delta Air Lines Inc.	1 208	79.06%	4.07%	0.13%	9.65%	0.00%	4.78%	2.24%	0.08%
United Air Lines Inc.	936	75.96%	3.90%	0.41%	8.72%	0.00%	8.44%	2.56%	0.00%
Alaska Airlines Inc.	60	75.00%	5.62%	0.00%	16.17%	0.00%	3.22%	0.00%	0.00%
US Airways Inc.	1 738	73.94%	4.10%	0.12%	12.01%	0.00%	7.89%	1.96%	0.00%
American Eagle Airlines Inc.	1 282	70.98%	5.01%	0.15%	8.48%	0.00%	10.15%	5.23%	0.00%
Northwest Airlines Inc.	379	70.71%	8.76%	4.31%	13.58%	0.00%	2.37%	0.26%	0.00%
AirTran Airways Corporation	816	70.47%	2.61%	0.39%	14.93%	0.00%	9.64%	1.96%	0.00%
Comair Inc.	1 226	64.19%	11.64%	6.32%	12.00%	0.00%	1.69%	4.00%	0.16%
Mesa Airlines Inc.	162	54.32%	20.99%	0.00%	6.17%	0.62%	14.20%	3.70%	0.00%
Totals	10 682	74.18%	5.36%	1.23%	10.35%	0.02%	6.51%	2.29%	0.06%

DelayStats.aircraftdata.net