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Columbus (CMH) to Washington (DCA)

322mi
519 km280 nm

Flight time

≈ 1h 27m

Bearing

102° E

Columbus (CMH) to Washington (DCA) is 322 miles (519 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: CMH → DCACMHDCA

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What actually flies CMHDCA

US DOT T-100 · filed data

In April 2026, Republic Airways operated the most departures, one of 4 carriers flying nonstop CMH–DCA; the Embraer E175 was the most common aircraft at 66% of departures; flights ran 63% full.

Departures

340

April 2026

Seats

30,083

both directions

Passengers

19,007

both directions

Load factor

63.2%

passengers ÷ seats

Who flies CMH–DCA?

Republic Airways operated the most nonstop CMH–DCA departures in April 2026 (166), one of 4 carriers on the route.

  • YX

    Republic Airways

    166 departures · 12,605 seats

    69.0%

    Load

  • WN

    Southwest Airlines

    62 departures · 8,988 seats

    48.3%

    Load

  • MQ

    Envoy Air

    60 departures · 4,560 seats

    68.6%

    Load

  • OH

    PSA Airlines

    52 departures · 3,930 seats

    72.2%

    Load

What plane flies CMH–DCA?

In April 2026, the Embraer E175 flew 66% of CMH–DCA departures — more than any other aircraft type.

How has CMH–DCA traffic changed?

Nonstop CMH–DCA departures fell from 343 in May 2025 to 340 in April 2026.

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

  • May 2025

    343 departures · 21,055 passengers

    71.7%

    Load

  • June 2025

    332 departures · 20,894 passengers

    73.9%

    Load

  • July 2025

    323 departures · 20,570 passengers

    75.5%

    Load

  • August 2025

    356 departures · 20,875 passengers

    68.4%

    Load

  • September 2025

    342 departures · 20,339 passengers

    69.5%

    Load

  • October 2025

    347 departures · 21,046 passengers

    70.4%

    Load

  • November 2025

    322 departures · 18,574 passengers

    65.4%

    Load

  • December 2025

    288 departures · 16,368 passengers

    62.0%

    Load

  • January 2026

    309 departures · 13,973 passengers

    50.7%

    Load

  • February 2026

    313 departures · 15,879 passengers

    57.2%

    Load

  • March 2026

    359 departures · 22,012 passengers

    68.9%

    Load

  • April 2026

    340 departures · 19,007 passengers

    63.2%

    Load

By direction

The DOT files each direction separately — they rarely match.

CMHDCA

61.5% full

170 departures · 9,379 passengers

DCACMH

64.9% full

170 departures · 9,628 passengers

Nonstop CMH–DCA traffic has been filed with the US DOT since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.

The airports

CMH

US

John Glenn Columbus International Airport

Coordinates

40.00°N, 82.89°W

Hemisphere

N · W

DCA

US

Ronald Reagan Washington National Airport

Coordinates

38.85°N, 77.04°W

Hemisphere

N · W

Frequently asked

How far is Columbus (CMH) from Washington (DCA)?

CMH to DCA is 322 miles (519 km / 280 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from CMH to DCA?

A nonstop covers the 322-mile great-circle distance in roughly 1h 27m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies CMH–DCA?

In April 2026, the Embraer E175 flew the largest share of departures (66.5%), followed by the Bombardier CRJ-900 (14.7%).

What mileage do I earn flying CMH–DCA?

Distance-based programs credit off the 322-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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