Delay stats for Boston, MA: Logan International per airline for period November 2003

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
America West Airlines Inc.	202	89.60%	5.04%	0.00%	2.68%	0.00%	2.18%	0.00%	0.50%
Delta Air Lines Inc.	1 443	89.33%	1.96%	0.04%	5.63%	0.00%	2.35%	0.55%	0.14%
Independence Air	707	88.54%	2.32%	0.30%	1.66%	0.00%	3.78%	3.39%	0.00%
Expressjet Airlines Inc.	25	88.00%	3.52%	0.00%	2.68%	0.00%	5.80%	0.00%	0.00%
Atlantic Southeast Airlines	30	86.67%	3.33%	0.00%	0.00%	0.00%	3.33%	6.67%	0.00%
AirTran Airways Corporation	418	86.60%	3.01%	0.03%	4.32%	0.00%	5.32%	0.72%	0.00%
US Airways Inc.	1 566	86.59%	3.22%	0.07%	4.53%	0.00%	4.44%	1.15%	0.00%
United Air Lines Inc.	770	85.59%	2.39%	0.43%	3.28%	0.00%	6.62%	1.69%	0.00%
Northwest Airlines Inc.	452	85.18%	6.65%	0.06%	5.60%	0.00%	1.41%	0.88%	0.22%
American Eagle Airlines Inc.	1 634	83.29%	2.71%	0.10%	3.94%	0.00%	7.02%	2.88%	0.06%
Continental Air Lines Inc.	525	83.05%	5.65%	0.30%	6.79%	0.00%	3.07%	1.14%	0.00%
American Airlines Inc.	1 340	82.91%	4.11%	0.86%	5.49%	0.00%	4.39%	2.16%	0.07%
ATA Airlines d/b/a ATA	108	79.63%	7.63%	0.00%	3.86%	0.00%	7.03%	1.85%	0.00%
Alaska Airlines Inc.	30	66.70%	22.33%	1.13%	6.50%	0.00%	3.33%	0.00%	0.00%
Totals	9 250	85.62%	3.38%	0.24%	4.52%	0.00%	4.49%	1.69%	0.06%

DelayStats.aircraftdata.net