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Route · SUX → ORD · 2020–2025 BTS data

Sioux City to Chicago

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SUX to ORD (Sioux City to Chicago) ranks #3769 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

80.5%
On-time
+1.5 pts
vs US avg
107 min
Delay when late
2,092
Flights
#3769 of 4927
Corpus placement

Cancelled

2.0%

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 17 2 0 OO
Nov 2025 30 6 1 0 OO
Oct 2025 31 3 0 0 OO
Sep 2025 30 3 0 0 OO
Aug 2025 31 12 0 0 OO
Jul 2025 31 9 1 1 OO
Jun 2025 30 7 0 0 OO
May 2025 31 10 0 0 OO
Apr 2025 30 2 0 0 OO
Mar 2025 31 11 2 1 OO
Jan 2025 31 13 0 0 OO
Dec 2024 31 14 3 0 OO
Nov 2024 30 5 1 0 OO
Oct 2024 31 5 0 0 OO
Sep 2024 30 7 0 0 OO
Aug 2024 31 5 0 0 OO
Jul 2024 31 9 0 0 OO
Jun 2024 30 4 0 0 OO
May 2024 31 10 1 0 OO
Mar 2024 31 5 0 0 OO
Jan 2024 30 9 3 0 OO
Oct 2023 31 5 0 0 OO
Sep 2023 30 10 0 0 OO
Aug 2023 31 8 1 0 OO

SUX–ORD seasonal on-time pattern

Best: April (90.3%) · weakest: December (64.9%)

60%70%80%90%100% JanFebMarAprMayJunJulAugSepOctNovDec 64.9%

Strongest calendar month

April

90.3% on-time · ~37 flights/mo

Busiest calendar month

February

~63 flights/mo avg

Weakest calendar month

December

64.9% on-time · ~31 flights/mo

Cancellation Rate

2.0%

15 of 735 flights

Diversion Rate

0.3%

2 of 735 flights

Origin-hub reliability standing

Mid-pack among SUX departures

From SUX, this corridor sits with 2 other 75–85% on-time routes out of 2 tracked departures, not the hub's reliability leaders (0 at ≥85%) and not the softest ( 0 below 75%). Destination: Chicago · fleet on-time rank #2956 of 4927.

What the Data Says About SUX to ORD

2,092 tracked flights put the SUX to ORD pairing (Sioux City to Chicago) at a 80.5% on-time rate, squarely in line with the wider network. Delays that do occur run 107.3 minutes on average. Across the 436-mile route and its 3 carriers, the trailing 24 months show 2.0% cancelled and 0.3% diverted (735 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, SUX–ORD peaks in April at 90.3% on-time while February carries the heaviest traffic (~63 flights per month) ; the softest month is December at 64.9%, a 25.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SUX to ORD rank among US routes by traffic?
According to PlainFlights' route traffic ranking, SUX to ORD ranks #3769 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from SUX to ORD?
Flights from Sioux City to Chicago have a 80.5% on-time rate based on 2,092 flights. The average delay is 107.3 minutes.
What is the cancellation rate for SUX to ORD?
Over the last 24 months, 2.0% of flights on this route were cancelled (15 of 735 flights) and 0.3% were diverted.
How far is the flight from SUX to ORD?
The flight distance from Sioux City (SUX) to Chicago (ORD) is approximately 436 miles. This route is served by 3 carriers.

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.

Using SUX–ORD data

SUX–ORD is mid-pack at 80.5% on-time; month and carrier mix move more than the corridor headline.

  • Compare SUX and ORD airport profiles: delay causes and top routes differ even on the same corridor. SUX airport
  • If your dates flex, April (90.3% on-time) beats December (64.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 80.5% 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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.