Delay stats for Boston, MA: Logan International per airline for period May 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.	29	82.76%	6.34%	0.00%	8.03%	0.00%	2.86%	0.00%	0.00%
Alaska Airlines Inc.	62	79.03%	1.29%	0.00%	15.81%	0.00%	3.87%	0.00%	0.00%
JetBlue Airways	1 197	73.43%	2.60%	1.16%	16.09%	0.04%	5.08%	1.00%	0.58%
Delta Air Lines Inc.	1 325	71.32%	3.81%	0.38%	17.52%	0.00%	5.08%	1.89%	0.00%
US Airways Inc.	1 817	64.61%	4.91%	0.58%	22.59%	0.00%	6.10%	1.21%	0.00%
Comair Inc.	1 028	64.49%	5.57%	3.24%	23.86%	0.00%	0.60%	2.04%	0.19%
AirTran Airways Corporation	821	64.31%	2.65%	0.14%	23.05%	0.00%	8.76%	1.10%	0.00%
American Airlines Inc.	1 157	62.66%	5.44%	0.81%	23.16%	0.00%	6.72%	0.95%	0.26%
Northwest Airlines Inc.	382	60.73%	5.40%	11.07%	19.18%	0.00%	2.05%	1.31%	0.26%
American Eagle Airlines Inc.	1 398	59.01%	5.26%	0.68%	18.95%	0.00%	11.37%	4.36%	0.36%
United Air Lines Inc.	919	58.65%	5.58%	0.10%	23.49%	0.00%	9.45%	2.61%	0.11%
Continental Air Lines Inc.	565	55.05%	3.79%	1.23%	30.22%	0.15%	9.20%	0.35%	0.00%
Mesa Airlines Inc.	224	44.64%	16.96%	0.45%	11.61%	0.00%	17.41%	8.04%	0.89%
Totals	10 924	64.02%	4.76%	1.22%	21.06%	0.01%	6.80%	1.92%	0.19%

DelayStats.aircraftdata.net