Delay stats for Baltimore, MD: Baltimore/Washington International Thurgood Marsh per airline for period July 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
Continental Air Lines Inc.	258	81.01%	4.42%	0.84%	9.75%	0.00%	3.59%	0.39%	0.00%
United Air Lines Inc.	577	79.20%	3.38%	0.69%	8.50%	0.00%	6.84%	0.17%	1.21%
AirTran Airways Corporation	932	78.65%	2.66%	0.29%	7.50%	0.00%	8.86%	1.61%	0.43%
Southwest Airlines Co.	4 854	77.09%	3.58%	1.62%	5.80%	0.11%	10.97%	0.23%	0.60%
Northwest Airlines Inc.	412	75.00%	8.33%	1.32%	9.53%	0.17%	2.73%	1.94%	0.97%
American Airlines Inc.	573	73.47%	7.52%	2.52%	7.89%	0.00%	7.38%	0.87%	0.35%
America West Airlines Inc.	155	72.90%	9.90%	0.25%	9.27%	0.00%	7.03%	0.65%	0.00%
US Airways Inc.	495	72.73%	6.41%	0.66%	8.03%	0.00%	9.55%	2.42%	0.20%
Comair Inc.	95	69.47%	6.13%	8.68%	12.59%	0.00%	1.02%	1.05%	1.05%
Delta Air Lines Inc.	460	66.74%	9.36%	0.47%	15.59%	0.00%	6.32%	1.30%	0.22%
American Eagle Airlines Inc.	205	60.00%	9.85%	1.00%	12.80%	0.00%	8.55%	7.32%	0.49%
Expressjet Airlines Inc.	141	56.73%	5.10%	1.33%	20.99%	0.04%	8.72%	7.09%	0.00%
Independence Air	25	52.00%	6.32%	0.00%	5.48%	0.00%	20.20%	16.00%	0.00%
Totals	9 182	75.51%	4.70%	1.37%	7.68%	0.07%	9.15%	0.98%	0.54%

DelayStats.aircraftdata.net