Delay stats for Seattle, WA: Seattle/Tacoma International per airline for period July 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
Hawaiian Airlines Inc.	49	87.76%	11.04%	0.00%	0.00%	0.00%	1.20%	0.00%	0.00%
Skywest Airlines Inc.	404	84.90%	8.42%	0.25%	0.25%	0.25%	4.70%	1.24%	0.00%
Southwest Airlines Co.	1 197	82.54%	5.80%	0.28%	1.67%	0.03%	9.58%	0.00%	0.08%
Mesa Airlines Inc.	36	80.56%	5.56%	0.00%	0.00%	0.00%	5.56%	8.33%	0.00%
Frontier Airlines Inc.	146	80.14%	6.40%	2.17%	8.27%	0.00%	3.03%	0.00%	0.00%
Northwest Airlines Inc.	556	76.44%	11.31%	0.63%	8.91%	0.00%	2.72%	0.00%	0.00%
United Air Lines Inc.	1 019	73.80%	7.66%	0.70%	4.05%	0.00%	12.42%	1.37%	0.00%
American Airlines Inc.	586	72.87%	10.44%	2.11%	7.05%	0.00%	7.37%	0.17%	0.00%
Delta Air Lines Inc.	511	71.43%	12.01%	1.04%	8.77%	0.00%	6.55%	0.20%	0.00%
Alaska Airlines Inc.	4 586	69.97%	6.46%	0.62%	5.96%	0.13%	15.48%	1.24%	0.13%
US Airways Inc.	481	67.36%	15.68%	1.02%	7.77%	0.00%	7.97%	0.00%	0.21%
Continental Air Lines Inc.	487	63.45%	11.91%	2.37%	11.28%	0.14%	10.85%	0.00%	0.00%
AirTran Airways Corporation	62	59.68%	17.77%	0.00%	16.18%	0.00%	6.37%	0.00%	0.00%
JetBlue Airways	93	47.31%	10.69%	2.44%	25.05%	0.00%	14.51%	0.00%	0.00%
Totals	10 213	72.57%	8.17%	0.81%	5.96%	0.08%	11.53%	0.79%	0.08%

DelayStats.aircraftdata.net