Delay stats for Seattle, WA: Seattle/Tacoma International per airline for period March 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.	478	88.28%	6.07%	0.42%	1.67%	0.00%	1.67%	1.88%	0.00%
Southwest Airlines Co.	1 108	86.46%	2.98%	0.00%	1.32%	0.07%	8.72%	0.45%	0.00%
Delta Air Lines Inc.	484	84.30%	5.96%	0.57%	4.60%	0.00%	3.75%	0.83%	0.00%
United Air Lines Inc.	774	84.11%	5.65%	0.34%	3.46%	0.00%	6.18%	0.13%	0.13%
Northwest Airlines Inc.	341	80.94%	7.73%	0.94%	4.70%	0.00%	5.10%	0.29%	0.29%
American Airlines Inc.	480	80.42%	7.93%	1.41%	4.92%	0.00%	4.91%	0.00%	0.42%
America West Airlines Inc.	310	77.42%	5.98%	0.00%	11.09%	0.00%	4.54%	0.97%	0.00%
Hawaiian Airlines Inc.	60	76.67%	18.10%	0.00%	1.67%	0.00%	3.57%	0.00%	0.00%
ATA Airlines d/b/a ATA	31	74.19%	7.45%	0.00%	15.23%	0.00%	3.13%	0.00%	0.00%
Alaska Airlines Inc.	3 993	72.75%	7.16%	0.15%	6.24%	0.17%	11.79%	1.55%	0.18%
Continental Air Lines Inc.	319	71.16%	8.23%	0.68%	13.35%	0.00%	5.95%	0.31%	0.31%
Atlantic Southeast Airlines	31	71.00%	16.74%	1.06%	11.19%	0.00%	0.00%	0.00%	0.00%
US Airways Inc.	151	70.86%	13.40%	0.00%	3.37%	0.00%	11.70%	0.00%	0.66%
JetBlue Airways	31	48.39%	13.13%	0.00%	12.06%	2.65%	20.55%	3.23%	0.00%
Totals	8 591	77.83%	6.66%	0.30%	5.30%	0.10%	8.64%	1.01%	0.15%

DelayStats.aircraftdata.net