Delay stats for Seattle, WA: Seattle/Tacoma International per airline for period February 2005

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.	372	87.90%	5.65%	2.42%	0.27%	0.00%	1.61%	2.15%	0.00%
United Air Lines Inc.	698	87.82%	4.02%	0.14%	2.00%	0.00%	5.88%	0.00%	0.14%
Southwest Airlines Co.	972	87.04%	2.47%	0.11%	0.35%	0.01%	9.50%	0.10%	0.41%
American Airlines Inc.	429	86.95%	4.36%	0.85%	3.53%	0.00%	3.60%	0.23%	0.47%
Delta Air Lines Inc.	435	83.91%	3.97%	0.21%	7.74%	0.00%	3.48%	0.46%	0.23%
Continental Air Lines Inc.	251	81.67%	7.18%	1.04%	6.67%	0.00%	3.45%	0.00%	0.00%
Northwest Airlines Inc.	305	80.66%	7.83%	0.28%	8.47%	0.00%	2.44%	0.00%	0.33%
America West Airlines Inc.	280	79.64%	7.92%	0.00%	4.03%	0.00%	6.62%	1.43%	0.36%
Alaska Airlines Inc.	3 543	76.66%	5.28%	0.19%	2.53%	0.11%	13.32%	1.81%	0.11%
US Airways Inc.	133	73.68%	15.65%	0.02%	3.83%	0.00%	6.80%	0.00%	0.00%
JetBlue Airways	28	71.46%	3.36%	0.00%	16.14%	0.00%	9.04%	0.00%	0.00%
ATA Airlines d/b/a ATA	34	70.59%	8.18%	0.00%	18.29%	0.00%	0.00%	2.94%	0.00%
Hawaiian Airlines Inc.	56	66.07%	27.89%	0.00%	0.00%	0.14%	5.89%	0.00%	0.00%
Atlantic Southeast Airlines	28	57.14%	14.07%	2.82%	16.43%	0.00%	5.96%	3.57%	0.00%
Totals	7 564	80.76%	5.34%	0.35%	3.06%	0.05%	9.16%	1.08%	0.19%

DelayStats.aircraftdata.net