AIRLINE PERFORMANCE : ON-TIME PERFORMANCE RECORD FOR AIRLINES SERVING JOHN WAYNE AIRPORT

For April, 1988 *

Total Flights % on Time Airline Performed Departing Arriving America West 569 94.38 91.39 Alaska Airlines 110 93.64 83.64 Delta Air Lines 234 90.17 86.75 PSA ** 344 89.83 84.88 Continental Airlines 273 85.35 83.88 TWA 108 84.26 68.52 American Airlines 2,032 81.99 76.53 United Airlines 117 79.49 72.65 Northwest Airlines 157 70.06 64.97 USAir 847 62.81 52.77

* Arriving and departing flights; most recent data available

** PSA merged with USAir on April 9

10 FLIGHTS TO & FROM JOHN WAYNE AIRPORT WITH THE WORST ON-TIME RECORDS DEPARTING FROM JOHN WAYNE AIRPORT

April, 1988 **

Total Flight Flights Number % Airline Number Destination Performed On time On time United 754 Chicago 29 20 68.9 American 2215 San Francisco 29 20 68.9 American 2519 San Francisco 29 22 75.8 American 2094 Chicago 30 23 76.6 Delta 1912 Dallas/Ft. Worth 29 23 79.3 American 2045 San Jose 29 23 79.3 American 2481 Sacramento 25 20 80.0 American 986 Dallas/Ft. Worth 26 21 81.4 American 2361 Oakland 27 22 81.4 American 2337 San Jose 28 23 82.1

ARRIVING AT JOHN WAYNE AIRPORT

Total Flight Point of Flights Number % Airline Number Origin Performed On Time On Time TWA 65 St. Louis 28 17 60.7 American 619 Dallas/Ft. Worth 27 18 67.8 American 2072 San Francisco 30 22 73.3 American 2093 Chicago 29 22 75.8 American 2144 San Francisco 30 23 76.6 American 332 San Jose 24 19 79.1 American 2023 Chicago 27 22 81.4 Continental 1601 Denver 29 25 86.6 American 2050 Sacramento 23 20 88.0 Continental 1287 Denver 27 24 88.8

* 20 or more flights per month

** Most recent data available

Source: Department of Transportation, Transportation Systems Center