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Williston, ND: Sloulin Field International (ISN)Scheduled Services except Freight/MailBTS Data as of 10/20/2018
Summary Data (U.S. Flights Only)Carrier Shares for August 2017 - July 2018
Passengers*2017**2018**%ChgRank***
Arrival69k71k3.73%248
Departure68k72k5.39%249
Scheduled Flights
Departures2,0212,0581.83%281
Freight/Mail (lb.) (Scheduled and Non-Scheduled)
Total940k1,278k35.95%241
Carriers
Scheduled53-40.00%
* Scheduled enplaned revenue passengers.
** 12 months ending July of each year.
*** Among 789 U.S. airports, 12 months ending July 2018
CarrierPassengersShare
SkyWest 11983.00%
Trans States 24.3017.00%
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Other0.000.00%
Based on enplaned passengers(000) both arriving and departing.
Total Passengers (U.S. Flights, in thousands)Top 10 Destination Airports (U.S. Only, Passengers (000))
*  Before October 2002, only carriers operating aircraft with more than 60 seats or 18,000 pounds in payload reported traffic data.
** 2018 represents data for August 2017 - July 2018.
Source: T-100 Domestic Market (US Carriers).
ISN vs. National Departure Delays (Major U.S. Carriers)ISN On-Time Performance Summary (Major U.S. Carriers Only)
A flight is considered delayed when it arrived or departed 15 or more minutes than the schedule. Delayed minutes are calculated from delayed flights only.
Domestic Flights, 2013-2018
% On Time201320142015201620172018*Rank**
Departure81%80%86%89%89%88%N/A
Arrival79%75%83%87%88%85%N/A
Avg Delay (min.)
Departure78.6282.4089.37113.78116.03106.61N/A
Arrival61.4956.2353.5259.0452.0255.81N/A
% Cancelled
Total2.98%3.73%1.09%1.46%0.26%0.16%N/A
Number of Flights
Total21782816276316441176619N/A
Number of Reporting Carriers
Total222211
* August 2017 - July 2018 .
** Ranked only for major U.S. airports, August 2017 - July 2018.