Delay stats for Philadelphia, PA: Philadelphia International per airline for period May 2005

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
Comair Inc.	132	90.91%	1.30%	1.86%	5.93%	0.00%	0.00%	0.00%	0.00%
US Airways Inc.	6 202	82.68%	3.38%	0.38%	8.50%	0.00%	4.14%	0.87%	0.05%
American Airlines Inc.	623	81.86%	3.39%	1.22%	8.80%	0.00%	4.25%	0.48%	0.00%
Southwest Airlines Co.	1 384	80.78%	2.50%	0.76%	9.42%	0.08%	6.17%	0.22%	0.07%
America West Airlines Inc.	136	80.15%	4.73%	0.00%	12.62%	0.00%	2.51%	0.00%	0.00%
United Air Lines Inc.	563	78.86%	5.12%	0.36%	8.75%	0.00%	6.02%	0.71%	0.18%
AirTran Airways Corporation	614	76.38%	3.91%	0.40%	11.44%	0.00%	7.38%	0.16%	0.33%
Expressjet Airlines Inc.	175	76.01%	2.51%	0.00%	10.98%	0.00%	9.36%	0.57%	0.57%
Delta Air Lines Inc.	653	74.58%	5.41%	0.12%	13.92%	0.00%	2.92%	2.91%	0.15%
Continental Air Lines Inc.	197	74.11%	5.24%	0.53%	18.28%	0.18%	1.15%	0.00%	0.51%
Northwest Airlines Inc.	432	72.69%	8.39%	2.78%	14.28%	0.00%	1.16%	0.69%	0.00%
Frontier Airlines Inc.	62	70.97%	9.31%	0.00%	13.97%	0.00%	5.76%	0.00%	0.00%
Totals	11 173	80.75%	3.74%	0.56%	9.61%	0.01%	4.46%	0.79%	0.09%

DelayStats.aircraftdata.net