Delay stats for Baltimore, MD: Baltimore/Washington International Thurgood Marsh per airline for period January 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
Atlantic Southeast Airlines	1	100.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
Mesa Airlines Inc.	3	100.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
Frontier Airlines Inc.	57	92.98%	2.67%	0.00%	4.35%	0.00%	0.00%	0.00%	0.00%
Southwest Airlines Co.	4 920	84.96%	2.94%	0.42%	3.04%	0.04%	7.64%	0.77%	0.18%
AirTran Airways Corporation	1 096	83.12%	3.41%	0.04%	3.66%	0.00%	8.40%	0.82%	0.55%
US Airways Inc.	465	82.37%	5.81%	0.06%	4.43%	0.00%	6.05%	1.08%	0.22%
Continental Air Lines Inc.	141	82.27%	8.77%	0.18%	5.38%	0.77%	2.63%	0.00%	0.00%
Northwest Airlines Inc.	245	82.04%	8.73%	0.28%	6.20%	0.00%	1.93%	0.82%	0.00%
American Airlines Inc.	415	81.69%	4.74%	1.81%	3.65%	0.24%	7.15%	0.72%	0.00%
Delta Air Lines Inc.	364	80.22%	5.39%	0.57%	3.44%	0.00%	8.46%	1.65%	0.27%
Expressjet Airlines Inc.	223	78.03%	4.25%	0.22%	7.46%	0.00%	6.02%	4.04%	0.00%
United Air Lines Inc.	438	77.17%	8.10%	0.10%	3.76%	0.00%	9.27%	1.60%	0.00%
American Eagle Airlines Inc.	203	72.41%	7.22%	0.62%	9.46%	0.00%	4.37%	3.94%	1.97%
Comair Inc.	300	65.33%	10.14%	5.78%	12.24%	0.00%	0.84%	5.33%	0.33%
Totals	8 871	82.67%	4.21%	0.58%	3.97%	0.05%	7.10%	1.16%	0.25%

DelayStats.aircraftdata.net