Using the online timetable is an easy way to look at all the direct flights Chicago — Sioux City
50 flights in a week
Departure and arrival times are local (Chicago and Sioux City)
| Departure | Arrival | Flight days | Flight | Airlines | Flight time | Airports | |
|---|---|---|---|---|---|---|---|
| 00:30 | 02:05 | sun | OO5021 | SkyWest Airlines | 1h 35m | O'Hare International Airport — Sioux Gateway Airport | Select dates |
| 20:20 | 22:12 | tue, wed | UA5021 | United Airlines | 1h 52m | O'Hare International Airport — Sioux Gateway Airport | Select dates |
| 20:40 | 22:32 | daily | UA5021 | United Airlines | 1h 52m | O'Hare International Airport — Sioux Gateway Airport | Select dates |
| 20:40 | 22:32 | fri, sat | UA5021 | SkyWest Airlines | 1h 52m | O'Hare International Airport — Sioux Gateway Airport | Select dates |
| 20:40 | 22:26 | daily | UA5021 | United Airlines | 1h 46m | O'Hare International Airport — Sioux Gateway Airport | Select dates |
| 20:40 | 22:26 | mon, wed, fri, sat, sun | UA5021 | SkyWest Airlines | 1h 46m | O'Hare International Airport — Sioux Gateway Airport | Select dates |
| 20:45 | 22:30 | mon, tue, thu, fri, sat, sun | UA5021 | SkyWest Airlines | 1h 45m | O'Hare International Airport — Sioux Gateway Airport | Select dates |
| 20:45 | 22:30 | daily | UA5021 | United Airlines | 1h 45m | O'Hare International Airport — Sioux Gateway Airport | Select dates |
| 20:50 | 22:40 | tue, wed, thu, fri, sat, sun | UA5021 | SkyWest Airlines | 1h 50m | O'Hare International Airport — Sioux Gateway Airport | Select dates |
| 20:50 | 22:40 | daily | UA5021 | United Airlines | 1h 50m | O'Hare International Airport — Sioux Gateway Airport | Select dates |