Chicago (ORD) to Sioux City (SUX): On-Time Performance
Data through July 2026
Delays are only half the story on ORD–SUX: 3.8% of its scheduled flights were outright cancelled, well above the US norm, so a backup plan matters more here than on most routes. When flights do go, 62% land on time, below the national average of 78%.
- On-time
- 62%
- arrived <15 min late
- Avg delay
- 43 min
- completed flights
- Cancelled
- 3.8%
- Flights/day
- 1.0
- last 12 months
- Duration
- 1h 50m
- scheduled
- Distance
- 436 mi
Monthly on-time trend
Best time to fly from ORD to SUX
Aim for departures around 9 p.m. (68% on-time); avoid 4 p.m. departures (43%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 68% | 28 min |
| Tuesday | 62% | 37 min |
| Wednesday | 59% | 44 min |
| Thursdaybest | 70% | 41 min |
| Friday | 59% | 50 min |
| Saturday | 59% | 45 min |
| Sunday | 57% | 59 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft34%
- Airline operations43%
- National airspace system16%
- Weather7%
Frequently asked questions
- How often are flights from ORD to SUX delayed?
- 38% of ORD–SUX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 43 minutes.
- What is the best time of day to fly from ORD to SUX?
- Departures around 9 p.m. have the best record (68% on-time), while departures around 4 p.m. have the worst (43%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ORD to SUX?
- The scheduled ORD–SUX flight time averages 1h 50m over 436 miles. Actual arrival times vary — flights on this route land 15+ minutes late 38% of the time.
- How often are ORD to SUX flights cancelled?
- 3.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from ORD to SUX?
- April 2026 was the roughest month in this dataset, with only 35% of arrivals on time. The best was September 2025 at 87%. If your dates are flexible, that 52-point gap is worth planning around.
Explore related pages
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Related guides
Based on 761 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.