Decatur (DEC) to Chicago (ORD)

156mi
252 km136 nm

Flight time

≈ 1h 07m

Bearing

18° N

Decatur (DEC) to Chicago (ORD) is 156 miles (252 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: DEC → ORDDECORD

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What actually flies DEC–ORD

Filed traffic data

In July 2026, SkyWest Airlines was the only carrier flying nonstop DEC–ORD; the Bombardier CRJ-200 was the most common aircraft at 100% of departures; flights ran 38% full.

Departures

102

July 2026

Seats

5,100

both directions

Passengers

1,916

both directions

Load factor

37.6%

RPM ÷ ASM

Who flies DEC–ORD?

SkyWest Airlines was the only carrier to fly nonstop DEC–ORD in July 2026 (102 departures).

  • OO

    SkyWest Airlines

    102 departures · 5,100 seats

    37.6%

    Load

What plane flies DEC–ORD?

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

How has DEC–ORD traffic changed?

Nonstop DEC–ORD departures fell from 103 in August 2025 to 102 in July 2026.

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

  • August 2025

    103 departures · 1,791 passengers

    34.8%

    Load

  • September 2025

    102 departures · 1,712 passengers

    33.6%

    Load

  • October 2025

    110 departures · 1,695 passengers

    30.8%

    Load

  • November 2025

    94 departures · 1,541 passengers

    32.8%

    Load

  • December 2025

    102 departures · 1,996 passengers

    39.1%

    Load

  • January 2026

    100 departures · 1,362 passengers

    27.2%

    Load

  • February 2026

    98 departures · 1,366 passengers

    27.9%

    Load

  • March 2026

    90 departures · 1,442 passengers

    32.0%

    Load

  • April 2026

    97 departures · 1,422 passengers

    29.3%

    Load

  • May 2026

    106 departures · 1,789 passengers

    33.8%

    Load

  • June 2026

    96 departures · 1,837 passengers

    38.3%

    Load

  • July 2026

    102 departures · 1,916 passengers

    37.6%

    Load

By direction

Each direction is filed separately — they rarely match.

DEC → ORD

39.3% full

51 departures · 1,003 passengers

ORD → DEC

35.8% full

51 departures · 913 passengers

Nonstop DEC–ORD traffic has been filed since 2025.

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

The airports

DEC

Decatur

US

Decatur Airport

Coordinates

39.83°N, 88.87°W

Hemisphere

N · W

ORD

Chicago

US

Chicago O'Hare International Airport

Coordinates

41.98°N, 87.90°W

Hemisphere

N · W

Frequently asked

How far is Decatur (DEC) from Chicago (ORD)?

DEC to ORD is 156 miles (252 km / 136 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from DEC to ORD?

A nonstop covers the 156-mile great-circle distance in roughly 1h 07m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies DEC–ORD?

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

What mileage do I earn flying DEC–ORD?

Distance-based programs credit off the 156-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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