Delay stats for Seattle, WA: Seattle/Tacoma International per airline for period November 2003

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.	1 092	84.34%	2.49%	0.55%	4.91%	0.00%	7.16%	0.18%	0.37%
JetBlue Airways	30	83.33%	1.13%	0.00%	10.00%	0.00%	2.20%	0.00%	3.33%
Skywest Airlines Inc.	362	80.11%	8.84%	2.76%	1.93%	0.00%	3.59%	2.76%	0.00%
America West Airlines Inc.	265	78.87%	5.57%	0.00%	11.63%	0.00%	3.55%	0.00%	0.38%
Alaska Airlines Inc.	3 543	77.39%	4.31%	0.28%	7.16%	0.14%	9.03%	1.47%	0.23%
United Air Lines Inc.	992	76.92%	4.21%	0.42%	11.04%	0.00%	6.91%	0.50%	0.00%
Continental Air Lines Inc.	347	75.79%	3.50%	0.62%	17.80%	0.00%	2.29%	0.00%	0.00%
Delta Air Lines Inc.	472	73.52%	3.60%	0.14%	19.58%	0.00%	2.96%	0.21%	0.00%
American Airlines Inc.	485	70.31%	5.01%	0.80%	16.93%	0.18%	5.75%	0.41%	0.62%
US Airways Inc.	138	64.49%	4.61%	0.00%	23.67%	0.00%	7.23%	0.00%	0.00%
Northwest Airlines Inc.	300	63.33%	8.73%	0.23%	24.69%	0.19%	0.84%	0.67%	1.33%
ATA Airlines d/b/a ATA	81	55.57%	8.33%	0.00%	22.26%	0.00%	13.84%	0.00%	0.00%
Hawaiian Airlines Inc.	51	49.02%	42.76%	0.80%	0.14%	0.00%	7.27%	0.00%	0.00%
Totals	8 158	76.61%	4.70%	0.46%	10.04%	0.08%	6.95%	0.91%	0.26%

DelayStats.aircraftdata.net