Delay stats for Baltimore, MD: Baltimore/Washington International Thurgood Marsh per airline for period May 2004

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	861	81.65%	3.60%	0.09%	6.84%	0.00%	6.55%	0.58%	0.70%
US Airways Inc.	458	78.17%	4.75%	1.28%	7.26%	0.00%	7.68%	0.66%	0.22%
Southwest Airlines Co.	4 772	76.80%	3.65%	1.51%	5.90%	0.09%	11.46%	0.17%	0.42%
American Airlines Inc.	514	75.87%	6.04%	1.37%	9.83%	0.09%	4.85%	1.75%	0.19%
United Air Lines Inc.	525	75.81%	3.18%	0.88%	11.80%	0.00%	7.18%	0.38%	0.76%
Continental Air Lines Inc.	259	74.52%	4.05%	1.53%	16.25%	0.00%	2.87%	0.77%	0.00%
Northwest Airlines Inc.	417	72.42%	6.06%	1.34%	16.40%	0.16%	2.19%	0.96%	0.48%
Delta Air Lines Inc.	464	71.98%	6.53%	1.02%	11.68%	0.14%	8.44%	0.22%	0.00%
American Eagle Airlines Inc.	219	71.68%	6.12%	0.61%	8.42%	0.00%	9.97%	3.20%	0.00%
America West Airlines Inc.	155	70.97%	10.77%	0.00%	13.28%	0.00%	3.05%	1.29%	0.65%
Comair Inc.	124	70.17%	11.29%	5.78%	9.60%	0.00%	0.74%	0.81%	1.61%
Expressjet Airlines Inc.	134	61.19%	6.29%	0.10%	20.71%	0.00%	7.97%	3.73%	0.00%
Totals	8 902	76.15%	4.42%	1.27%	8.19%	0.07%	8.93%	0.55%	0.42%

DelayStats.aircraftdata.net