JOHN WAYNE AIRPORT--APRIL AIRLINE PERFORMANCE

ON-TIME PERFORMANCE RECORD

For April, 1989

* Total Flights % on Time Airline Reported ** Departing *** Arriving Alaska Airlines 115 89.5 89.7 American Airlines 2,173 85.0 85.1 America West 649 96.3 93.3 Continental Airlines 287 94.4 93.0 Delta Airlines 236 89.8 87.3 Northwest Airlines 317 88.0 84.9 TWA 109 80.7 67.3 United Airlines 115 80.7 72.4 USAir 1,652 86.7 89.6

* 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

April, 1989

* Total Flight Flights Number % Airline Number Destination Reported On time On time American 938 San Francisco 21 10 47.6 US Air 2504 San Francisco 25 14 56.0 US Air 2847 San Francisco 29 17 58.6 American 1020 San Francisco 28 17 60.7 American 898 San Francisco 25 16 64.0 American 854 San Francisco 25 16 64.0 US Air 2832 San Francisco 28 19 67.8 US Air 2601 Sacramento 29 20 68.9 American 838 Chicago 29 20 68.9 American 619 San Francisco 29 20 68.9

ARRIVING AT JOHN WAYNE AIRPORT

*Total Flight Point of Flights Number % Airline Number Origin Reported On Time On Time American 835 Chicago 25 11 44.0 TWA 65 St. Louis 27 13 48.1 US Air 2990 San Francisco 30 15 50.0 Northwest 1238 Seattle 25 13 52.0 American 643 Chicago 27 17 62.9 American 1327 Chicago 29 20 68.9 US Air 2782 San Francisco 29 20 68.9 America West 650 Phoenix 23 16 69.5 United 997 Chicago 30 21 70.0 American 947 Dallas-Fort Worth 30 21 70.0

** 20 or more flights per month

* Includes cancelled and diverted flights

Source: Department of Transportation, Transportation Systems Center.