Route · ORD → SUX · 2020–2025 BTS data
Chicago to Sioux City
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ORD to SUX (Chicago to Sioux City) ranks #3752 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 78.6%
- On-time
- -0.4 pts
- vs US avg
- 106 min
- Delay when late
- 2,124
- Flights
- #3752 of 4927
- Corpus placement
Cancelled
3.7%
Best Month
N/A
Worst Month
N/A
Distance
436 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 11 | 3 | 1 | OO |
| Nov 2025 | 30 | 8 | 4 | 0 | OO |
| Oct 2025 | 31 | 9 | 0 | 1 | OO |
| Sep 2025 | 30 | 3 | 0 | 1 | OO |
| Aug 2025 | 31 | 11 | 2 | 1 | OO |
| Jul 2025 | 31 | 14 | 2 | 2 | OO |
| Jun 2025 | 30 | 17 | 0 | 2 | OO |
| May 2025 | 31 | 9 | 0 | 1 | OO |
| Apr 2025 | 30 | 7 | 1 | 0 | OO |
| Mar 2025 | 31 | 12 | 1 | 0 | OO |
| Jan 2025 | 31 | 8 | 0 | 1 | OO |
| Dec 2024 | 31 | 8 | 3 | 1 | OO |
| Nov 2024 | 30 | 10 | 0 | 0 | OO |
| Oct 2024 | 31 | 6 | 0 | 0 | OO |
| Sep 2024 | 30 | 7 | 0 | 0 | OO |
| Aug 2024 | 31 | 13 | 1 | 0 | OO |
| Jul 2024 | 31 | 16 | 2 | 1 | OO |
| Jun 2024 | 30 | 14 | 1 | 0 | OO |
| May 2024 | 31 | 11 | 3 | 1 | OO |
| Apr 2024 | 30 | 5 | 0 | 0 | OO |
| Mar 2024 | 31 | 5 | 0 | 0 | OO |
| Jan 2024 | 30 | 8 | 4 | 0 | OO |
| Oct 2023 | 31 | 4 | 0 | 0 | OO |
| Sep 2023 | 30 | 7 | 0 | 0 | OO |
ORD–SUX seasonal on-time pattern
Best: April (87.6%) · weakest: June (68.4%)
Strongest calendar month
April
87.6% on-time · ~36 flights/mo
Busiest calendar month
February
~63 flights/mo avg
Weakest calendar month
June
68.4% on-time · ~34 flights/mo
Cancellation Rate
3.7%
27 of 734 flights
Diversion Rate
1.8%
13 of 734 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
ORD on-time profileSUX - Sioux City
Full on-time, delay-cause, and seasonal performance for Sioux City, IA.
SUX on-time profileCompare the two airports
See ORD and SUX side by side on delays, cancellations, and reliability.
Compare ORD vs SUXOrigin-hub reliability standing
Mid-pack among ORD departures
From ORD, this corridor sits with 147 other 75–85% on-time routes out of 168 tracked departures, not the hub's reliability leaders (10 at ≥85%) and not the softest ( 11 below 75%). Destination: Sioux City · fleet on-time rank #3650 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to ORD–SUX.
Routes with a similar on-time rate
What the Data Says About ORD to SUX
2,124 tracked flights put the ORD to SUX pairing (Chicago to Sioux City) at a 78.6% on-time rate, squarely in line with the wider network. Delays that do occur run 105.7 minutes on average. Across the 436-mile route and its 3 carriers, the trailing 24 months show 3.7% cancelled and 1.8% diverted (734 flights sampled).
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
On the multi-year calendar, ORD–SUX peaks in April at 87.6% on-time while February carries the heaviest traffic (~63 flights per month) ; the softest month is June at 68.4%, a 19.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does ORD to SUX rank among US routes by traffic? ▼
How often are flights delayed from ORD to SUX? ▼
What is the cancellation rate for ORD to SUX? ▼
How far is the flight from ORD to SUX? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using ORD–SUX data
ORD–SUX is mid-pack at 78.6% on-time; month and carrier mix move more than the corridor headline.
- Compare ORD and SUX airport profiles: delay causes and top routes differ even on the same corridor. ORD airport
- If your dates flex, April (87.6% on-time) beats June (68.4%) on this corridor. Seasonal chart
- 4 other routes post a similar 78.6% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.