Delay stats for Seattle, WA: Seattle/Tacoma International per airline for period July 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
Skywest Airlines Inc.	437	90.16%	5.95%	0.00%	1.14%	0.00%	2.75%	0.00%	0.00%
Mesa Airlines Inc.	24	87.50%	8.33%	0.00%	0.00%	0.00%	4.17%	0.00%	0.00%
Southwest Airlines Co.	1 241	82.76%	4.60%	0.14%	1.54%	0.14%	10.67%	0.00%	0.16%
Hawaiian Airlines Inc.	93	76.34%	19.30%	0.00%	0.00%	0.00%	4.35%	0.00%	0.00%
Expressjet Airlines Inc.	31	74.19%	16.19%	0.00%	0.90%	0.00%	8.71%	0.00%	0.00%
Northwest Airlines Inc.	582	73.71%	13.12%	0.70%	6.87%	0.15%	3.91%	1.55%	0.00%
Continental Air Lines Inc.	493	73.63%	7.86%	1.05%	7.52%	0.28%	9.45%	0.20%	0.00%
US Airways Inc.	408	71.81%	12.49%	0.80%	5.79%	0.41%	8.20%	0.49%	0.00%
American Airlines Inc.	522	71.07%	11.20%	4.26%	4.68%	0.00%	7.63%	1.15%	0.00%
United Air Lines Inc.	896	70.20%	6.65%	0.77%	6.49%	0.00%	14.55%	1.34%	0.00%
Frontier Airlines Inc.	154	69.48%	12.64%	1.58%	11.22%	0.00%	5.07%	0.00%	0.00%
Alaska Airlines Inc.	4 534	68.66%	8.21%	0.29%	6.50%	0.24%	14.78%	1.21%	0.11%
JetBlue Airways	93	60.20%	6.29%	0.67%	22.59%	0.76%	9.48%	0.00%	0.00%
Delta Air Lines Inc.	613	59.54%	12.56%	1.06%	14.99%	0.04%	11.32%	0.16%	0.33%
AirTran Airways Corporation	115	59.12%	13.51%	0.00%	7.19%	0.00%	19.30%	0.00%	0.87%
Totals	10 236	71.61%	8.62%	0.65%	6.26%	0.17%	11.76%	0.84%	0.10%

DelayStats.aircraftdata.net