Delay stats for Baltimore, MD: Baltimore/Washington International Thurgood Marsh per airline for period March 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
AirTran Airways Corporation	1 059	88.29%	2.99%	0.00%	2.18%	0.00%	6.54%	0.00%	0.00%
Frontier Airlines Inc.	61	86.89%	6.26%	0.46%	3.51%	0.00%	2.89%	0.00%	0.00%
Southwest Airlines Co.	4 919	85.83%	3.78%	0.20%	1.81%	0.14%	7.92%	0.26%	0.04%
Atlantic Southeast Airlines	35	85.71%	10.31%	0.00%	3.97%	0.00%	0.00%	0.00%	0.00%
US Airways Inc.	477	82.81%	5.95%	0.00%	4.64%	0.07%	6.32%	0.21%	0.00%
Northwest Airlines Inc.	240	82.50%	7.85%	0.78%	5.63%	0.00%	2.40%	0.83%	0.00%
Delta Air Lines Inc.	377	80.37%	7.10%	0.00%	4.50%	0.00%	7.50%	0.53%	0.00%
Comair Inc.	263	79.85%	8.85%	1.16%	8.92%	0.08%	0.38%	0.38%	0.38%
American Eagle Airlines Inc.	203	79.31%	10.32%	1.10%	2.66%	0.00%	5.14%	1.48%	0.00%
Mesa Airlines Inc.	9	77.78%	22.22%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
Continental Air Lines Inc.	176	75.01%	4.53%	1.53%	11.13%	1.94%	5.86%	0.00%	0.00%
American Airlines Inc.	416	75.00%	6.77%	2.45%	6.12%	0.24%	9.17%	0.24%	0.00%
United Air Lines Inc.	430	74.88%	6.77%	0.04%	4.68%	0.00%	12.47%	0.93%	0.23%
Expressjet Airlines Inc.	235	68.09%	7.00%	0.51%	8.53%	0.00%	13.31%	2.55%	0.00%
Totals	8 900	83.60%	4.80%	0.36%	3.17%	0.13%	7.53%	0.37%	0.04%

DelayStats.aircraftdata.net