'int', 'origin_airports_id' => 'int', 'destination_airports_id' => 'int', 'start_time' => 'datetime', 'end_time' => 'datetime', 'price' => 'int', 'capacity' => 'int', 'status' => 'int' ]; protected $fillable = [ 'flight_number', 'airline_id', 'origin_airports_id', 'destination_airports_id', 'start_time', 'end_time', 'price', 'capacity', 'status' ]; public function airline() { return $this->belongsTo(Airline::class); } public function airport() { return $this->belongsTo(Airport::class, 'origin_airports_id'); } }