Columbus (CMH) to Dulles (IAD)
Flight time
≈ 1h 24m
Bearing
102° E
Columbus (CMH) to Dulles (IAD) is 299 miles (481 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies CMH–IAD
Filed traffic dataIn June 2026, Republic Airways operated the most departures, one of 4 carriers flying nonstop CMH–IAD; the Embraer E175 was the most common aircraft at 59% of departures; flights ran 89% full.
Departures
241
June 2026
Seats
15,652
both directions
Passengers
13,944
both directions
Load factor
89.1%
RPM ÷ ASM
Who flies CMH–IAD?
Republic Airways operated the most nonstop CMH–IAD departures in June 2026 (93), one of 4 carriers on the route.
- YX
93 departures · 7,068 seats
Share of departures38.6%89.0%
Load
- G7
83 departures · 4,150 seats
Share of departures34.4%89.3%
Load
- YV
49 departures · 3,634 seats
Share of departures20.3%88.4%
Load
- C5
16 departures · 800 seats
Share of departures6.6%92.0%
Load
What plane flies CMH–IAD?
In June 2026, the Embraer E175 flew 59% of CMH–IAD departures — more than any other aircraft type.
- Embraer E175
142 departures · 88.8% load
58.9% - Bombardier CRJ-550
83 departures · 89.3% load
34.4% - Embraer ERJ-145
16 departures · 92.0% load
6.6%
How has CMH–IAD traffic changed?
Nonstop CMH–IAD departures rose from 236 in July 2025 to 241 in June 2026.
Monthly nonstop CMH–IAD traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
236 departures · 14,579 passengers
84.8%
Load
August 2025
245 departures · 16,282 passengers
76.5%
Load
September 2025
290 departures · 22,147 passengers
68.8%
Load
October 2025
252 departures · 17,292 passengers
80.0%
Load
November 2025
237 departures · 15,513 passengers
76.7%
Load
December 2025
248 departures · 16,159 passengers
74.8%
Load
January 2026
236 departures · 13,269 passengers
66.4%
Load
February 2026
219 departures · 14,387 passengers
63.3%
Load
March 2026
248 departures · 18,237 passengers
71.6%
Load
April 2026
242 departures · 17,499 passengers
72.1%
Load
May 2026
245 departures · 17,913 passengers
82.1%
Load
June 2026
241 departures · 13,944 passengers
89.1%
Load
By direction
Each direction is filed separately — they rarely match.
CMH → IAD
87.8% full
121 departures · 6,914 passengers
IAD → CMH
90.4% full
120 departures · 7,030 passengers
Nonstop CMH–IAD traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Columbus (CMH) from Dulles (IAD)?
CMH to IAD is 299 miles (481 km / 260 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from CMH to IAD?
A nonstop covers the 299-mile great-circle distance in roughly 1h 24m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies CMH–IAD?
In June 2026, the Embraer E175 flew the largest share of departures (58.9%), followed by the Bombardier CRJ-550 (34.4%).
What mileage do I earn flying CMH–IAD?
Distance-based programs credit off the 299-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
Keep exploring
Every route below is its own page.
Popular long-haul routes