Сортировка массива

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Collections;
 
 
namespace ConsoleApplication12
{
    class Program
    {
 
 
        enum FlightType
        {
            flights,
        }
 
        struct airplanesProperties
        {
            public int number;
            public string city;
            public string airline;
            public int terminal;
            public int arrivalTime;
        }
        static void Main(string[] args)
        {
            airplanesProperties[] flight1 = new airplanesProperties[4];
            flight1[0] = new airplanesProperties { number = 1, city = "Kiev", airline = "MAU", terminal = 1 };
            flight1[1] = new airplanesProperties { number = 2, city = "Odessa", airline = "MAU", terminal = 2 };
            flight1[2] = new airplanesProperties { number = 3, city = "Kharkiv", airline = "MAU", terminal = 3 };
            flight1[3] = new airplanesProperties { number = 4, city = "Odessa", airline = "MAU", terminal = 4 };
 
            for (int i = 0; i < flight1.Length; i++)
            {
                System.Console.WriteLine(string.Format("Number {0}, City {1}, Airline {2}, Terminal {3}", flight1[i].number, flight1[i].city, flight1[i].airline, flight1[i].terminal));
            }
        }
        static void Main2(string[] args)
        {
            airplanesProperties[] fligth2 = new airplanesProperties[4];
            var airprop1 = new airplanesProperties { number = 1, arrivalTime = 2 };
            var airprop2 = new airplanesProperties { number = 2, arrivalTime = 15 };
            var airprop3 = new airplanesProperties { number = 3, arrivalTime = 4 };
            var airprop4 = new airplanesProperties { number = 4, arrivalTime = 13 };
            fligth2[0] = airprop1;
            fligth2[1] = airprop2;
            fligth2[2] = airprop3;
            fligth2[3] = airprop4;
 
 
            for (int i = 0; fligth2[i].arrivalTime > fligth2[i + 1].arrivalTime; i++)
            {
               System.Console.WriteLine() 
            }
 
        }
    }
}

struct airplanesProperties: IComparable<airplanesProperties>
{
    public int number;
    public string city;
    public string airline;
    public int terminal;
    public int arrivalTime;
 
    public int CompareTo(airplanesProperties obj)
    {
        return arrivalTime.CompareTo(obj.arrivalTime);
    }
}

Array.Sort(fligth2);