Route Reliability
Chicago → SUX
ORD–SUX · 436 miles · Chicago O'Hare International Airport to SUX Airport
- 59%
- Arrive within 15 minutes
- 42 min
- Average arrival delay
- 4.4%
- Cancelled
- 365
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 59% of the time across 365 flights. No comparison to make.
What the data says
The late departure is the smart one here.
ORD–SUX flights departing between 9 PM–12 AM arrived on time 75% of the time, versus 44% between 6–9 PM.
Wednesdays have been rough.
ORD–SUX flights arrived on time 69% of the time on Thursdays and just 52% on Wednesdays. That gap is worth planning around.
Keep a backup plan handy.
This route was cancelled 4.4% of the time. Typical for U.S. flights is around 1–2%.
Recent months have been rougher.
ORD–SUX flights arrived on time 47% of the time over the last three months in the data, compared with 60% in the three months before that.
Flights on this route
The breakdown
- Mon65%(46 flights)
- Tue55%(51 flights)
- Wed52%(50 flights)
- Thu69%(51 flights)
- Fri61%(46 flights)
- Sat57%(46 flights)
- Sun54%(50 flights)
- 9 AM–12 PM—(1 flights)
- 12–3 PM—(3 flights)
- 3–6 PM51%(140 flights)
- 6–9 PM44%(70 flights)
- 9 PM–12 AM75%(126 flights)
Jun 39% → May 48% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 39% | 28 |
| July 2025 | 52% | 27 |
| August 2025 | 61% | 28 |
| September 2025 | 90% | 29 |
| October 2025 | 70% | 30 |
| November 2025 | 73% | 26 |
| December 2025 | 59% | 27 |
| January 2026 | 63% | 30 |
| February 2026 | 57% | 28 |
| March 2026 | 57% | 28 |
| April 2026 | 36% | 28 |
| May 2026 | 48% | 31 |
Keep nerding
Based on 365 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.