LGA - DCA

Figure 4 - LGA - DCA Predicted and Actual Passengers Q1 2000 - Q3 2005

After September 11, 2001, Washington's DCA airport remained closed to all traffic until October 4.  This strongly affected the results for the LGA - DCA market, and the effect can be easily recognized during Q3 and Q4 of 2001.  Due to the large cities of New York and Washington DC and their proximity, there were significant markets which affected the LGA - DCA market.  These included:  LGA - BWI (Baltimore/Washington International Airport), LGA - IAD (Washington Dulles International Airport), JFK - DCA, JFK - IAD, JFK - BWI, EWR - DCA, EWR - IAD, and EWR - BWI.

ATL - MCO

Figure 5 - ATL - MCO Predicted and Actual Passengers Q1 2000 - Q3 2005

Once again, the results show the effects of September 2001; however, the market characteristics permitted the most accurate prediction of the series.  Both ATL and MCO are the only airports to serve this market in their respective cities, which made for a simplified set of variables compared to the other series.