JOHN WAYNE AIRPORT--MAY AIRLINE PERFORMANCE

ON-TIME PERFORMANCE RECORD

For May, 1989

* Total Flights % on Time Airline Reported ** Departing *** Arriving Alaska Airlines 115 84.0 88.0 American Airlines 2,169 93.0 86.0 America West 669 95.0 91.0 Continental Airlines 290 91.0 90.0 Delta Airlines 241 85.0 77.0 Northwest Airlines 346 86.0 75.0 TWA 118 95.0 53.0 United Airlines 121 72.0 55.0 USAir 1,635 89.0 93.0

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

May, 1989

* Total Flight Flights Number % Airline Number Destination Reported on Time on Time United 790 Chicago 30 17 56.6 US Air 2687 San Francisco 25 18 72.0 US Air 48 San Francisco 26 19 73.0 American 947 San Francisco 27 20 74.0 America West 594 Phoenix 30 23 76.6 American 814 San Francisco 30 23 76.6 Delta 358 Dallas/Fort Worth 26 20 76.9 American 884 San Francisco 31 24 77.4 Continental 62 Denver 27 21 77.7 US Air 2614 Las Vegas 27 21 77.7

ARRIVING AT JOHN WAYNE AIRPORT

*Total Flight Point of Flights Number % Airline Number Origin Reported on Time on Time TWA 65 St. Louis 29 13 44.8 American 835 Chicago 26 12 46.1 American 643 Chicago 29 14 48.2 United 997 Chicago 25 13 52.0 United 739 Chicago 31 18 58.0 Delta 725 Dallas/Fort Worth 28 17 60.7 TWA 211 St. Louis 28 17 60.7 Northwest 117 Minneapolis/St. Paul 31 19 61.2 American 1327 Chicago 30 19 63.3 American 229 Chicago 30 19 63.3

+ 20 or more flights per month

* Includes canceled and diverted flights

Source: Department of Transportation, Transportation Systems Center.