The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

Southern Illinois ⇄ Sioux Gateway/Brig General Bud Day Field MDH–SUX

Airlines flew 2 flights between Southern Illinois MDH in Carbondale/Murphysboro, IL and Sioux Gateway/Brig General Bud Day Field SUX in Sioux City, IA in the twelve months to July 2026, both directions together: 247 passengers in 360 seats, 69% of them filled. 494 miles, about 84 minutes in the air, on 1 airline: Allegiant Air (2). Planning to fly it yourself? The weather and winds along this route right now.

2
flights, twelve months
MDH-SUX: 1 · SUX-MDH: 1
247
passengers
69% of seats filled
494
miles
about 84 minutes airborne
1
airline
1 aircraft type

Flights by month both directions

00122211/25
By month, as a table
flights
11/252

Passengers by month

06212418524724711/25
By month, as a table
passengers
11/25247

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Allegiant Air G4224769%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Airbus Industrie A320-100/2002180247

MDH → SUX this direction alone · flown November 2025 to November 2025

1 flights, 123 passengers in 180 seats. Allegiant Air 1.

SUX → MDH this direction alone · flown November 2025 to November 2025

1 flights, 124 passengers in 180 seats. Allegiant Air 1.

Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Southern Illinois MDH and Sioux Gateway/Brig General Bud Day Field SUX; all routes.