Dataset:  ontime.dat

Source: Bureau of Transportation Statistics  (www.bts.gov)

Description: Monthly ontime statistics for arrivals for all US
domestic operations 1/1997-10/2004. Ontime means arriving at gate
within 15 minutes of scheduled arrival time.

Variables/Columns:

Month  1-14  /* January...December  */
Year   22-25
Ontime arrivals  28-33
Delayed flights   36-41
Cancelled flights   44-49
Diverted Flights  53-57
Total Operations   66-72