Delay stats for Seattle, WA: Seattle/Tacoma International per airline for period January 2007

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.	1 198	80.55%	4.26%	0.44%	4.83%	0.12%	9.30%	0.50%	0.00%
Hawaiian Airlines Inc.	74	72.97%	12.32%	0.00%	0.00%	0.00%	14.70%	0.00%	0.00%
JetBlue Airways	62	72.58%	8.94%	0.00%	12.19%	0.26%	4.42%	0.00%	1.61%
Northwest Airlines Inc.	350	71.15%	9.94%	0.14%	15.35%	0.29%	2.27%	0.57%	0.29%
Alaska Airlines Inc.	3 821	70.87%	5.62%	0.34%	8.28%	0.11%	11.66%	2.70%	0.42%
United Air Lines Inc.	887	70.69%	5.55%	0.35%	12.70%	0.00%	9.24%	1.47%	0.00%
Mesa Airlines Inc.	57	70.18%	8.77%	1.75%	17.54%	0.00%	1.75%	0.00%	0.00%
Continental Air Lines Inc.	317	69.40%	7.84%	0.61%	13.66%	1.59%	6.90%	0.00%	0.00%
Delta Air Lines Inc.	371	68.46%	8.93%	0.83%	15.69%	0.18%	5.11%	0.54%	0.27%
Skywest Airlines Inc.	470	63.62%	17.66%	1.91%	2.34%	0.43%	10.00%	3.40%	0.64%
American Airlines Inc.	475	62.74%	12.11%	5.05%	8.81%	0.00%	7.50%	3.58%	0.21%
US Airways Inc.	292	61.30%	13.75%	0.00%	15.61%	0.20%	5.72%	0.68%	2.74%
Frontier Airlines Inc.	118	61.02%	11.69%	1.53%	19.28%	0.00%	6.48%	0.00%	0.00%
Totals	8 492	70.77%	7.32%	0.74%	9.19%	0.18%	9.53%	1.90%	0.37%

DelayStats.aircraftdata.net