Chicago to Sioux City (ORD-SUX): nonstop flights and who flies them

United Airlines flies nonstop from Chicago (ORD) to Sioux City (SUX) just twice a week. In the timetable below it flies as UA 5021, scheduled at 1h 50m to 1h 53m for the 435 miles.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

Updated .

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2
Flights a week, 4-week average
1h 50m to 1h 53m
Scheduled flight time
435 mi
Nonstop distance
Free
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Chicago to Sioux City flight schedule

Scheduled nonstop departures for ORD to SUX starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Chicago (ORD) to Sioux City (SUX)
Date Flight Airline Departs ORD Arrives SUX Duration Aircraft
UA 5021United Airlines16:0017:531h 53mBombardier CRJ-200
UA 5021United Airlines16:0017:531h 53mBombardier CRJ-200
UA 5021United Airlines16:2018:101h 50mCRJ
UA 5021United Airlines16:2018:101h 50mBombardier CRJ-200
UA 5021United Airlines16:2018:101h 50mBombardier CRJ-200
UA 5021United Airlines16:2018:101h 50mBombardier CRJ-200
UA 5021United Airlines16:2018:101h 50mCRJ

Showing all 7 scheduled ORD to SUX departures across 7 days with service, starting October 23, 2026. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure.

See every ORD to SUX date on the interactive map

Aircraft on the Chicago to Sioux City nonstop

United Airlines flies the departures in the schedule table on this page with the Bombardier CRJ-200 and the Bombardier CRJ. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure.

The full ORD to SUX nonstop schedule

This page carries the full ORD to SUX nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See the schedule

Who operates each ORD to SUX nonstop and how often it runs, from 2LNR's schedule data.

Plan on the map

See ORD to SUX on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Chicago to Sioux City nonstop

Carriers operating ORD to SUX nonstop in the current schedule.

See ORD to SUX on the interactive map →

Frequently asked questions about ORD to SUX

How long is the flight from Chicago (ORD) to Sioux City (SUX)?
Scheduled flight times from Chicago (ORD) to Sioux City (SUX) run from 1h 50m to 1h 53m across the departures in the schedule table on this page. The nonstop covers about 435 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book.
Which airlines fly nonstop from ORD to SUX?
United Airlines is currently the only airline flying ORD to SUX nonstop. 2LNR doesn't show award or upgrade space for it on ORD to SUX, so this page carries the schedule rather than a space claim.
How often does ORD to SUX operate?
The ORD to SUX nonstop currently runs twice a week, on United Airlines. Thin schedules like this change by season, and on Pro an alert will catch anything added.
What time do flights from ORD to SUX depart?
Scheduled ORD to SUX nonstops in the next 7 days with service leave between 16:00 and 16:20, local time at Chicago. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Which flights operate ORD to SUX nonstop?
United Airlines flies UA 5021 nonstop from Chicago (ORD) to Sioux City (SUX), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft.
Does 2LNR show upgrade or award space on ORD to SUX?
Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on ORD to SUX. The page carries the full ORD to SUX nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full ORD to SUX nonstop schedule

Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro.

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