SUX to ORD flight delays & on-time performance
Nonstop flights from Sioux Gateway Airport / Brigadier General Bud Day Field to Chicago O'Hare International Airport · 436 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SUX or ORD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Sioux City (SUX) to Chicago (ORD) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 1.6% were cancelled, and 9% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 1pm did best (95% on time); around 10am did worst (50%).
- Thursday was the most reliable day to fly (90% on time) and Monday the least (73%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (46%).
Which airline is most on time from SUX to ORD?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 78% | 1.6% | 23 min | 9.2% | 365 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am76%151 flights
- 8am88%61 flights
- 10am50%18 flights
- 12pm78%114 flights
- 1pm95%21 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday73%0.0% cancelled
- Tuesday80%1.9% cancelled
- Wednesday81%0.0% cancelled
- Thursday90%1.9% cancelled
- Friday75%1.9% cancelled
- Saturday74%3.8% cancelled
- Sunday76%1.9% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)46%
- Air traffic control & airport congestion25%
- Late-arriving aircraft19%
- Extreme weather10%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
SUX to ORD: common questions
- How often are SUX to ORD flights on time?
- 78% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Sioux City to Chicago cancelled?
- 1.6% of scheduled flights were cancelled (6 of 365).
- How long are typical delays?
- Across all flights the average arrival delay was 23 min (early arrivals count as zero). Flights that were late arrived 100 min behind schedule on average, and 9.2% of flights were an hour or more late.
- How long is taxi time at SUX?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SUX → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.