Delay stats for Philadelphia, PA: Philadelphia International per airline for period December 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
Southwest Airlines Co.	1 254	70.89%	3.84%	1.55%	13.03%	0.19%	8.50%	1.36%	0.64%
AirTran Airways Corporation	516	69.57%	3.11%	0.19%	16.87%	0.00%	8.32%	1.74%	0.19%
American Airlines Inc.	638	67.24%	4.25%	1.50%	13.74%	0.41%	10.04%	2.51%	0.31%
Northwest Airlines Inc.	402	66.17%	7.42%	5.42%	15.71%	0.00%	1.30%	3.48%	0.50%
Delta Air Lines Inc.	633	64.77%	7.06%	0.91%	15.53%	0.00%	6.19%	4.90%	0.63%
United Air Lines Inc.	605	62.15%	9.44%	0.00%	17.12%	0.00%	7.82%	3.31%	0.17%
Continental Air Lines Inc.	178	60.12%	3.46%	0.63%	31.65%	0.00%	3.58%	0.00%	0.56%
US Airways Inc.	6 933	60.08%	5.99%	0.73%	18.19%	0.00%	10.88%	3.36%	0.78%
America West Airlines Inc.	155	59.35%	9.34%	0.14%	21.40%	0.23%	7.61%	1.94%	0.00%
Comair Inc.	122	59.02%	8.16%	6.26%	10.98%	0.00%	0.00%	15.57%	0.00%
ATA Airlines d/b/a ATA	107	57.95%	3.44%	0.00%	30.33%	0.00%	6.41%	1.87%	0.00%
American Eagle Airlines Inc.	129	53.49%	7.82%	0.53%	20.07%	0.00%	9.56%	8.53%	0.00%
Expressjet Airlines Inc.	140	48.57%	3.43%	2.76%	21.67%	0.12%	11.30%	11.43%	0.71%
Totals	11 812	62.34%	5.82%	1.03%	17.40%	0.05%	9.42%	3.31%	0.63%

DelayStats.aircraftdata.net