Delay stats for Philadelphia, PA: Philadelphia International per airline for period July 2007

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
Expressjet Airlines Inc.	105	75.24%	5.10%	0.21%	11.92%	0.00%	4.67%	1.90%	0.95%
Southwest Airlines Co.	2 005	73.12%	4.44%	2.38%	9.26%	0.21%	10.15%	0.00%	0.45%
Continental Air Lines Inc.	202	70.30%	4.37%	1.23%	15.69%	0.28%	7.14%	0.00%	0.99%
Mesa Airlines Inc.	33	69.70%	21.21%	0.00%	0.00%	0.00%	0.00%	9.09%	0.00%
Pinnacle Airlines Inc.	141	65.96%	7.94%	0.63%	13.38%	0.00%	4.30%	6.38%	1.42%
AirTran Airways Corporation	544	65.63%	4.74%	0.51%	12.13%	0.00%	16.08%	0.74%	0.18%
United Air Lines Inc.	485	63.51%	7.98%	0.32%	11.65%	0.21%	12.84%	2.47%	1.03%
Delta Air Lines Inc.	318	60.37%	9.50%	0.37%	17.92%	0.00%	9.95%	1.26%	0.63%
US Airways Inc.	3 993	59.55%	8.00%	1.07%	18.13%	0.15%	10.54%	2.05%	0.50%
American Airlines Inc.	510	59.41%	9.04%	3.34%	14.81%	0.00%	10.46%	2.75%	0.20%
Comair Inc.	194	58.76%	16.53%	7.98%	10.57%	0.00%	1.01%	4.12%	1.03%
Northwest Airlines Inc.	377	57.03%	14.05%	4.42%	12.38%	0.00%	4.42%	7.43%	0.27%
Skywest Airlines Inc.	57	47.37%	38.60%	8.77%	5.26%	0.00%	0.00%	0.00%	0.00%
Frontier Airlines Inc.	63	44.44%	28.95%	0.00%	24.89%	0.00%	1.71%	0.00%	0.00%
Totals	9 027	63.42%	7.83%	1.70%	14.55%	0.13%	10.02%	1.84%	0.51%

DelayStats.aircraftdata.net