Delay stats for Detroit, MI: Detroit Metro Wayne County 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
AirTran Airways Corporation	310	83.87%	6.75%	0.00%	2.98%	0.00%	6.07%	0.32%	0.00%
Southwest Airlines Co.	612	83.33%	5.42%	0.11%	1.75%	0.00%	8.24%	1.14%	0.00%
Continental Air Lines Inc.	175	82.85%	5.12%	0.00%	6.07%	1.13%	3.11%	1.71%	0.00%
Delta Air Lines Inc.	135	80.74%	3.83%	1.29%	4.00%	0.00%	10.14%	0.00%	0.00%
Northwest Airlines Inc.	7 599	74.68%	5.76%	0.25%	10.80%	0.05%	7.37%	1.04%	0.04%
Pinnacle Airlines Inc.	4 246	74.52%	4.16%	0.35%	8.40%	0.06%	9.90%	2.57%	0.05%
American Airlines Inc.	364	71.71%	8.16%	3.76%	3.57%	0.00%	8.96%	3.85%	0.00%
United Air Lines Inc.	225	68.45%	6.63%	0.67%	6.22%	0.00%	16.25%	1.78%	0.00%
Frontier Airlines Inc.	79	68.37%	14.42%	1.59%	12.42%	0.00%	3.20%	0.00%	0.00%
Mesa Airlines Inc.	223	67.71%	14.35%	0.45%	5.38%	0.45%	8.97%	2.69%	0.00%
Atlantic Southeast Airlines	106	66.99%	19.25%	1.73%	4.52%	0.00%	2.80%	4.72%	0.00%
US Airways Inc.	270	65.19%	9.33%	0.37%	15.13%	0.00%	9.62%	0.37%	0.00%
Comair Inc.	249	64.66%	14.33%	5.26%	12.57%	0.00%	0.38%	2.81%	0.00%
American Eagle Airlines Inc.	204	58.33%	9.28%	1.42%	10.45%	0.00%	13.65%	6.86%	0.00%
Expressjet Airlines Inc.	186	51.61%	11.49%	1.31%	17.81%	0.00%	14.56%	3.23%	0.00%
Skywest Airlines Inc.	71	40.85%	8.45%	1.41%	0.00%	0.00%	33.80%	15.49%	0.00%
Totals	15 054	73.97%	5.97%	0.51%	9.26%	0.06%	8.43%	1.77%	0.03%

DelayStats.aircraftdata.net