Delay stats for Detroit, MI: Detroit Metro Wayne County per airline for period April 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
Delta Air Lines Inc.	140	87.14%	4.94%	0.04%	3.49%	0.00%	2.25%	2.14%	0.00%
Pinnacle Airlines Inc.	4 189	86.25%	2.82%	0.28%	4.95%	0.01%	4.64%	0.86%	0.19%
AirTran Airways Corporation	286	85.66%	5.59%	0.00%	3.71%	0.00%	5.03%	0.00%	0.00%
Continental Air Lines Inc.	176	82.95%	5.26%	0.78%	5.99%	0.57%	4.44%	0.00%	0.00%
Southwest Airlines Co.	606	81.85%	6.44%	0.17%	1.19%	0.00%	9.68%	0.66%	0.00%
Northwest Airlines Inc.	7 669	74.74%	5.92%	0.25%	9.86%	0.11%	6.92%	2.13%	0.07%
Skywest Airlines Inc.	136	71.32%	11.03%	2.21%	0.74%	0.00%	11.03%	3.68%	0.00%
Frontier Airlines Inc.	90	71.10%	6.99%	0.44%	16.92%	0.00%	4.54%	0.00%	0.00%
United Air Lines Inc.	186	70.42%	6.89%	1.73%	8.59%	0.00%	10.22%	2.15%	0.00%
Comair Inc.	235	68.08%	13.27%	3.24%	10.60%	0.23%	2.46%	2.13%	0.00%
American Airlines Inc.	313	66.45%	9.47%	1.14%	8.72%	0.00%	11.66%	2.56%	0.00%
Atlantic Southeast Airlines	49	65.31%	18.08%	0.00%	6.41%	0.00%	8.16%	2.04%	0.00%
Mesa Airlines Inc.	206	61.17%	21.84%	0.00%	1.94%	0.00%	11.17%	3.88%	0.00%
American Eagle Airlines Inc.	219	58.45%	8.74%	0.17%	16.18%	0.00%	10.06%	6.39%	0.00%
US Airways Inc.	257	52.91%	17.70%	0.68%	17.18%	0.00%	11.52%	0.00%	0.00%
Expressjet Airlines Inc.	187	52.41%	11.81%	0.32%	14.45%	0.00%	16.20%	4.28%	0.53%
Totals	14 944	77.18%	5.88%	0.36%	8.00%	0.07%	6.68%	1.73%	0.09%

DelayStats.aircraftdata.net