Delay stats for Philadelphia, PA: Philadelphia International per airline for period April 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
Frontier Airlines Inc.	60	85.00%	6.53%	0.00%	6.80%	0.00%	0.00%	0.00%	1.67%
Expressjet Airlines Inc.	123	76.43%	1.52%	0.05%	14.82%	0.00%	1.49%	4.88%	0.81%
Southwest Airlines Co.	1 685	75.49%	3.63%	2.21%	11.74%	0.05%	6.29%	0.42%	0.18%
US Airways Inc.	4 389	74.50%	4.24%	0.42%	12.92%	0.00%	7.14%	0.59%	0.18%
Delta Air Lines Inc.	299	73.24%	6.33%	0.32%	13.56%	0.33%	5.54%	0.67%	0.00%
American Airlines Inc.	534	73.22%	4.36%	0.67%	15.00%	0.00%	6.00%	0.75%	0.00%
Comair Inc.	136	72.06%	6.00%	3.18%	17.29%	0.00%	0.00%	1.47%	0.00%
Continental Air Lines Inc.	187	70.05%	4.13%	0.69%	18.32%	0.00%	6.28%	0.00%	0.53%
AirTran Airways Corporation	610	69.02%	3.38%	0.00%	14.40%	0.00%	11.72%	1.31%	0.16%
United Air Lines Inc.	523	67.11%	7.05%	0.20%	14.46%	0.00%	9.08%	2.10%	0.00%
Mesa Airlines Inc.	290	65.17%	8.97%	0.00%	11.03%	0.34%	9.31%	5.17%	0.00%
Northwest Airlines Inc.	303	64.03%	11.50%	4.96%	15.70%	0.10%	2.39%	1.32%	0.00%
American Eagle Airlines Inc.	59	52.54%	10.95%	0.59%	17.98%	0.00%	9.46%	8.47%	0.00%
Atlantic Southeast Airlines	4	50.00%	16.75%	0.00%	33.25%	0.00%	0.00%	0.00%	0.00%
Totals	9 202	72.96%	4.74%	0.89%	13.26%	0.03%	6.96%	0.98%	0.16%

DelayStats.aircraftdata.net