Countywide : John Wayne Airline Performance

For May,1990

ON-TIME PERFORMANCE RECORD

*Total Flights % on Time Airline Reported **Departing ***Arriving Alaska Airlines 120 98.3 90.0 American Airlines 1,400 86.1 76.8 America West 667 94.9 96.1 Continental Airlines 332 95.9 69.6 Delta Airlines 244 90.2 69.4 Northwest Airlines 326 80.9 74.8 TWA 114 70.7 50.5 United Airlines 177 57.9 59.6 USAir 1,416 92.1 87.7 TOTAL FLIGHTS 4,796 88.8 80.8

*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

**Total Flight Flights Number % Airline Number Destination Reported on Time on Time United 790 Chicago 29 11 37.9 Northwest 116 Minneapolis/St. Paul 28 14 50.0 Northwest 114 Minneapolis/St. Paul 26 14 53.8 TWA 700 St. Louis 26 14 53.8 American 747 San Jose 25 15 60.0 United 1706 San Francisco 29 19 65.5 United 262 Chicago 27 18 66.7 USAir 2778 San Francisco 30 20 66.7 USAir 2601 Sacramento 26 18 69.2 American 816 Dallas/Ft. Worth 30 21 70.0 USAir 2687 San Francisco 27 19 70.3 USAir 2501 San Jose 27 19 70.3 American 763 San Francisco 28 21 75.0 American 1001 San Francisco 24 18 75.0

FLIGHTS * WITH THE WORST ON-TIME RECORDS ARRIVING AT JOHN WAYNE AIRPORT

*Total Flight Point of Flights Number % Airline Number Origin Reported on Time on Time American 1327 Chicago 28 6 21.4 Delta 725 Dallas/Ft. Worth 30 9 30.0 American 747 Dallas/Ft. Worth 28 10 35.7 American 643 Chicago 28 10 35.7 Continental 543 Denver 29 11 37.9 TWA 65 St. Louis 26 10 38.4 American 47 Dallas/Ft. Worth 29 13 44.8 American 619 Dallas/Ft. Worth 25 12 48.0 Northwest 115 Minneapolis/St. Paul 27 13 48.1 United 997 Chicago 29 14 48.3 American 537 Dallas/Ft. Worth 28 14 50.0 Continental 1189 Houston 24 12 50.0 USAir 2782 San Francisco 26 13 50.0

* 20 or more flights per month; Includes canceled and diverted flights

Source: Department of Transportation, Transportation Systems Center.