Delay stats for Seattle, WA: Seattle/Tacoma International per airline for period January 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.	51	84.31%	11.92%	0.00%	0.00%	0.00%	3.76%	0.00%	0.00%
Southwest Airlines Co.	1 152	83.33%	4.16%	0.17%	2.68%	0.02%	9.46%	0.17%	0.00%
Skywest Airlines Inc.	326	78.83%	11.35%	0.92%	0.92%	0.00%	5.52%	2.45%	0.00%
Mesa Airlines Inc.	31	77.42%	5.16%	0.00%	6.06%	0.00%	4.90%	3.23%	3.23%
Northwest Airlines Inc.	356	72.75%	11.01%	0.38%	12.76%	0.00%	2.53%	0.28%	0.28%
US Airways Inc.	376	72.34%	9.61%	0.01%	12.40%	0.10%	4.74%	0.00%	0.80%
American Airlines Inc.	457	71.33%	7.80%	2.20%	12.97%	0.00%	5.26%	0.22%	0.22%
Delta Air Lines Inc.	363	70.80%	8.20%	1.21%	14.52%	0.00%	5.27%	0.00%	0.00%
Continental Air Lines Inc.	310	69.68%	7.79%	0.90%	16.02%	0.75%	3.58%	0.97%	0.32%
Alaska Airlines Inc.	3 919	68.69%	6.89%	0.34%	9.66%	0.20%	11.29%	2.73%	0.20%
United Air Lines Inc.	901	68.37%	11.55%	0.17%	10.32%	0.00%	7.49%	2.11%	0.00%
Frontier Airlines Inc.	119	65.55%	12.97%	0.09%	18.56%	0.00%	2.82%	0.00%	0.00%
JetBlue Airways	62	62.89%	10.50%	0.00%	18.37%	0.00%	6.63%	0.00%	1.61%
Totals	8 423	71.70%	7.76%	0.46%	9.43%	0.13%	8.65%	1.69%	0.19%

DelayStats.aircraftdata.net