Denver (DEN) to Sioux City (SUX)

466mi
749 km405 nm

Flight time

≈ 1h 44m

Bearing

65° NE

Denver (DEN) to Sioux City (SUX) is 466 miles (749 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: DEN → SUXDENSUX

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What actually flies DENSUX

Filed traffic data

In May 2026, SkyWest Airlines operated the most departures, one of 2 carriers flying nonstop DEN–SUX; the Bombardier CRJ-200 was the most common aircraft at 97% of departures; flights ran 62% full.

Departures

99

May 2026

Seats

5,008

both directions

Passengers

3,111

both directions

Load factor

62.1%

RPM ÷ ASM

Who flies DEN–SUX?

SkyWest Airlines operated the most nonstop DEN–SUX departures in May 2026 (98), one of 2 carriers on the route.

  • OO

    SkyWest Airlines

    98 departures · 4,900 seats

    62.0%

    Load

  • MX

    Breeze Airways

    1 departures · 108 seats

    65.7%

    Load

What plane flies DEN–SUX?

In May 2026, the Bombardier CRJ-200 flew 97% of DEN–SUX departures — more than any other aircraft type.

How has DEN–SUX traffic changed?

Nonstop DEN–SUX departures rose from 60 in June 2025 to 99 in May 2026.

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

  • June 2025

    60 departures · 2,235 passengers

    73.1%

    Load

  • July 2025

    59 departures · 2,087 passengers

    70.8%

    Load

  • August 2025

    59 departures · 2,136 passengers

    72.4%

    Load

  • September 2025

    60 departures · 2,134 passengers

    71.1%

    Load

  • October 2025

    62 departures · 2,289 passengers

    73.8%

    Load

  • November 2025

    58 departures · 2,143 passengers

    73.9%

    Load

  • December 2025

    59 departures · 2,028 passengers

    68.8%

    Load

  • January 2026

    113 departures · 2,745 passengers

    48.6%

    Load

  • February 2026

    110 departures · 3,004 passengers

    54.6%

    Load

  • March 2026

    119 departures · 3,943 passengers

    66.3%

    Load

  • April 2026

    92 departures · 2,528 passengers

    55.0%

    Load

  • May 2026

    99 departures · 3,111 passengers

    62.1%

    Load

By direction

Each direction is filed separately — they rarely match.

DENSUX

58.6% full

50 departures · 1,500 passengers

SUXDEN

65.8% full

49 departures · 1,611 passengers

Nonstop DEN–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

DEN

US

Denver International Airport

Coordinates

39.86°N, 104.67°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 Denver (DEN) from Sioux City (SUX)?

DEN to SUX is 466 miles (749 km / 405 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from DEN to SUX?

A nonstop covers the 466-mile great-circle distance in roughly 1h 44m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies DEN–SUX?

In May 2026, the Bombardier CRJ-200 flew the largest share of departures (97.0%), followed by the Bombardier CRJ-550 (2.0%).

What mileage do I earn flying DEN–SUX?

Distance-based programs credit off the 466-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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