Delay stats for Boston, MA: Logan International per airline for period July 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
Alaska Airlines Inc.	62	88.71%	5.47%	0.00%	5.82%	0.00%	0.00%	0.00%	0.00%
Delta Air Lines Inc.	1 481	87.85%	2.91%	0.41%	5.39%	0.00%	1.96%	1.49%	0.00%
Expressjet Airlines Inc.	16	87.50%	10.75%	0.00%	1.75%	0.00%	0.00%	0.00%	0.00%
Continental Air Lines Inc.	584	86.13%	2.75%	0.72%	7.32%	0.00%	2.41%	0.68%	0.00%
Atlantic Southeast Airlines	31	83.87%	4.68%	0.00%	11.45%	0.00%	0.00%	0.00%	0.00%
Northwest Airlines Inc.	484	81.40%	10.15%	1.27%	4.80%	0.00%	1.96%	0.41%	0.00%
United Air Lines Inc.	889	80.88%	3.95%	0.74%	5.31%	0.00%	7.31%	1.69%	0.11%
American Airlines Inc.	1 316	80.85%	6.55%	1.46%	5.33%	0.00%	4.97%	0.76%	0.08%
American Eagle Airlines Inc.	2 015	79.16%	2.90%	0.25%	6.31%	0.00%	8.51%	2.88%	0.00%
Independence Air	909	78.11%	3.41%	0.11%	3.98%	0.00%	8.45%	5.94%	0.00%
ATA Airlines d/b/a ATA	83	77.12%	8.29%	0.00%	8.73%	0.16%	5.70%	0.00%	0.00%
US Airways Inc.	1 546	76.39%	5.41%	0.67%	6.92%	0.00%	6.86%	3.69%	0.06%
America West Airlines Inc.	155	76.13%	10.21%	0.62%	7.91%	0.00%	3.84%	1.29%	0.00%
AirTran Airways Corporation	401	72.07%	4.82%	0.50%	12.27%	0.00%	9.84%	0.50%	0.00%
Totals	9 972	80.56%	4.52%	0.62%	6.11%	0.00%	5.89%	2.27%	0.03%

DelayStats.aircraftdata.net