JOHN WAYNE AIRPORT--AUGUST AIRLINE PERFORMANCE

ON-TIME PERFORMANCE RECORD

For August, 1988

* Total Flights % on Time Airline Reported + Departing ++ Arriving Alaska Airlines 120 96.7 80.0 American Airlines 2,101 85.6 89.3 America West 635 95.3 93.7 Continental Airlines 291 94.6 95.8 Delta Airlines 235 89.7 93.2 Northwest Airlines 176 68.9 69.8 TWA 119 85.5 82.5 United Airlines 121 67.2 68.3 USAir 1,495 85.2 84.8

* Total number of reported flights arriving at and departing from John Wayne Airport; includes cancelled and diverted flights.

+ Percentage of on-time flights departing from John Wayne Airport

++ Percentage of on-time flights arriving at John Wayne Airport

FLIGHTS** WITH THE WORST ON-TIME RECORDS DEPARTING FROM JOHN WAYNE AIRPORT

August, 1988

* Total Flight Flights Number % Airline Number Destination Reported On time On Time Northwest 112 Minneapolis/St. Paul 29 14 48.2 United 256 Chicago 30 15 50.0 USAir 1847 San Francisco 27 14 51.8 American 294 Chicago 30 16 53.3 American 1447 San Francisco 26 14 53.8 American 1001 San Francisco 27 17 62.9 American 935 San Francisco 28 18 64.2 USAir 1909 San Francisco 30 20 66.6 American 643 San Francisco 26 18 69.2 USAir 1903 San Francisco 23 16 69.5

ARRIVING AT JOHN WAYNE AIRPORT

* Total Flight Point of Flights Number % Airline Number Origin Reported On Time On Time American 938 San Francisco 23 12 52.1 American 835 Chicago 26 15 57.6 American 1262 San Jose 31 18 58.0 Northwest 117 Minneapolis/St. Paul 27 17 62.9 Northwest 111 Minneapolis/St. Paul 30 19 63.3 United 739 Chicago 31 20 64.5 TWA 211 St. Louis 29 19 65.5 USAir 704 San Francisco 31 21 67.7 USAir 1792 San Francisco 29 20 68.9 Alaska 123 Seattle/Tacoma 30 21 70.0

* Includes cancelled and diverted flights

** 20 or more flights per month

Source: Department of Transportation, Transportation Systems Center.