Delay stats for Boston, MA: Logan International per airline for period June 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
Delta Air Lines Inc.	1 460	89.04%	2.33%	0.37%	6.28%	0.03%	1.47%	0.48%	0.00%
Atlantic Southeast Airlines	30	86.67%	3.33%	0.00%	6.67%	0.00%	0.00%	3.33%	0.00%
America West Airlines Inc.	150	86.66%	7.75%	0.00%	3.97%	0.00%	0.95%	0.00%	0.67%
Continental Air Lines Inc.	559	83.72%	2.87%	0.98%	9.39%	0.00%	2.86%	0.18%	0.00%
Independence Air	874	83.07%	2.03%	0.83%	4.62%	0.00%	6.24%	3.20%	0.00%
United Air Lines Inc.	838	82.46%	2.66%	0.83%	7.00%	0.00%	6.81%	0.12%	0.12%
American Airlines Inc.	1 266	81.67%	5.48%	1.87%	6.63%	0.18%	3.61%	0.55%	0.00%
ATA Airlines d/b/a ATA	81	80.25%	8.27%	0.00%	6.58%	0.00%	3.67%	1.23%	0.00%
US Airways Inc.	1 520	79.80%	4.82%	0.23%	7.93%	0.00%	5.77%	1.38%	0.07%
American Eagle Airlines Inc.	1 917	79.19%	2.87%	0.25%	6.30%	0.01%	8.14%	3.23%	0.00%
Expressjet Airlines Inc.	23	78.26%	3.91%	1.39%	7.09%	0.00%	9.35%	0.00%	0.00%
Northwest Airlines Inc.	471	77.92%	9.32%	1.88%	7.35%	0.00%	2.04%	1.49%	0.00%
Alaska Airlines Inc.	60	73.32%	5.52%	0.00%	18.70%	0.80%	1.67%	0.00%	0.00%
AirTran Airways Corporation	390	70.51%	4.79%	0.23%	13.87%	0.00%	10.08%	0.51%	0.00%
Totals	9 639	81.70%	3.88%	0.70%	7.09%	0.04%	5.14%	1.43%	0.03%

DelayStats.aircraftdata.net