Chicago to Sioux City

What the Data Says About ORD to SUX

The Chicago to Sioux City corridor (ORD → SUX) covers roughly 436 miles and is served by 3 carriers, based on Bureau of Transportation Statistics reporting. Across 2,124 flights in the dataset, this route posts a 78.6% on-time rate with an average delay of 105.7 minutes when flights run late. Over the most recent 24 months of BTS data, 734 flights were recorded on this pairing — 27 cancelled (3.7%) and 13 diverted (1.8%). Those baseline metrics tell you what to expect before you book.

Having 3 carriers on the route matters: more carriers generally means more daily schedule options, competitive pricing, and redundancy when flights are cancelled. With 2,124 total flights analyzed, the 78.6% on-time figure is statistically meaningful rather than a small-sample fluke. The 105.7-minute average delay applies only to flights that actually ran late, so it is not the average wait across all departures — the majority of flights on this route depart on time under the BTS definition of a delay (15+ minutes past schedule).

Monthly performance varies, so review the monthly table above to see specific periods. For travelers evaluating the ORD to SUX route, the combination of a 78.6% on-time rate, 105.7-minute average delay, 3.7% recent cancellation rate, and 3 available carriers is the concrete summary of what BTS data shows about reliability on this pairing.