Chicago (ORD) to Sioux City (SUX)

435mi
700 km378 nm

Flight time

≈ 1h 40m

Bearing

277° W

Chicago (ORD) to Sioux City (SUX) is 435 miles (700 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: ORD → SUXORDSUX

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What actually flies ORDSUX

Filed traffic data

In May 2026, SkyWest Airlines was the only carrier flying nonstop ORD–SUX; the Bombardier CRJ-200 was the most common aircraft at 100% of departures; flights ran 84% full.

Departures

62

May 2026

Seats

3,100

both directions

Passengers

2,602

both directions

Load factor

83.9%

RPM ÷ ASM

Who flies ORD–SUX?

SkyWest Airlines was the only carrier to fly nonstop ORD–SUX in May 2026 (62 departures).

  • OO

    SkyWest Airlines

    62 departures · 3,100 seats

    83.9%

    Load

What plane flies ORD–SUX?

In May 2026, the Bombardier CRJ-200 flew 100% of ORD–SUX departures.

How has ORD–SUX traffic changed?

Nonstop ORD–SUX departures rose from 61 in June 2025 to 62 in May 2026.

Monthly nonstop ORDSUX traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • June 2025

    61 departures · 2,428 passengers

    79.1%

    Load

  • July 2025

    60 departures · 2,482 passengers

    79.7%

    Load

  • August 2025

    59 departures · 2,272 passengers

    77.0%

    Load

  • September 2025

    60 departures · 2,478 passengers

    82.6%

    Load

  • October 2025

    62 departures · 2,537 passengers

    81.8%

    Load

  • November 2025

    55 departures · 2,052 passengers

    74.6%

    Load

  • December 2025

    57 departures · 2,222 passengers

    78.0%

    Load

  • January 2026

    61 departures · 2,121 passengers

    69.5%

    Load

  • February 2026

    56 departures · 2,120 passengers

    75.7%

    Load

  • March 2026

    57 departures · 2,296 passengers

    80.6%

    Load

  • April 2026

    57 departures · 2,332 passengers

    81.8%

    Load

  • May 2026

    62 departures · 2,602 passengers

    83.9%

    Load

By direction

Each direction is filed separately — they rarely match.

ORDSUX

88.2% full

31 departures · 1,367 passengers

SUXORD

79.7% full

31 departures · 1,235 passengers

Nonstop ORD–SUX traffic has been filed since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).

The airports

ORD

US

Chicago O'Hare International Airport

Coordinates

41.98°N, 87.90°W

Hemisphere

N · W

SUX

Sioux City

US

Sioux Gateway Airport / Brigadier General Bud Day Field

Coordinates

42.40°N, 96.38°W

Hemisphere

N · W

Frequently asked

How far is Chicago (ORD) from Sioux City (SUX)?

ORD to SUX is 435 miles (700 km / 378 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from ORD to SUX?

A nonstop covers the 435-mile great-circle distance in roughly 1h 40m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies ORD–SUX?

In May 2026, the Bombardier CRJ-200 flew the largest share of departures (100.0%).

What mileage do I earn flying ORD–SUX?

Distance-based programs credit off the 435-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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