Parameters | Meanings | Parameters | Meanings |
f | Flights | fv | VIP flights |
fm | Important flights | fg | Ordinary flights |
A | The set of available aircrafts | a | Aircrafts |
L | The set of type of aircrafts | l | The type of aircrafts |
p | Airports | P | The set of Airports |
F | The set of flights | Fv | The set of disturbed VIP flights |
Fm | The set of disturbed important flights | Fg | The set of disturbed regular flights |
| If flight f is cancelled, the value is 1, otherwise it is 0 |
| If airplane a executes flight f, the value is 1, otherwise it is 0 |
| If the plane a executes the flight f, it takes off at the time unit k of the delay, then the value is 1, otherwise it is 0 |
| The number of gates available at airport p during , |
| The number of aircrafts of model l which required to be parked at airport p after the restoration |
| The number of business class seats of the aircraft belongs to type |
| The number of business class passengers on flight f |
| The number of economy class seats of the aircraft belongs to type l |
| The number of economy class passengers on flight f |
| The fare for business class seats on flight f |
| The fare for economy class seats on flight f |
| The total number of seats of the aircraft belongs to type l |
| The itinerary of the disturbed passenger |
| The set of inbound flights parking at airport p at moment t |
| The set of the itinerary route of the disturbed passenger (departure airport to arrival airport) |
| The set of outbound flights parking at airport p at moment t |
| The flight set of aircraft type l cannot be allocated, , |
| The set of airports closed due to inclement weather during |
| The set of alternative itineraries for disturbed passengers, |
| On the same day, flight f finally lands at airport p, it is 1, otherwise it is 0 |
| If the flight f stops at the airport p within the specified time, the value is 1, otherwise it is 0 |
| If the flight f is on route r of the disturbed passengers, the value is 1, otherwise it is 0, |
| If aircraft a belongs to type l, it is 1, otherwise it is 0 |
| The number of passengers on flight f on route r |
| The aircraft belongs to type l is assigned to flight f, then it is 1, otherwise it is 0 |
| The number of passengers whose flight route is on r and the departure and arrival airport is , |