Columbus (CMH) to Houston (IAH)
Flight time
≈ 2h 46m
Bearing
229° SW
Columbus (CMH) to Houston (IAH) is 986 miles (1,586 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies CMH–IAH
Filed traffic dataIn July 2026, Mesa Airlines operated the most departures, one of 2 carriers flying nonstop CMH–IAH; the Embraer E175 was the most common aircraft at 69% of departures; flights ran 85% full.
Departures
176
July 2026
Seats
18,096
both directions
Passengers
15,384
both directions
Load factor
85.0%
RPM ÷ ASM
Who flies CMH–IAH?
Mesa Airlines operated the most nonstop CMH–IAH departures in July 2026 (122), one of 2 carriers on the route.
- YV
122 departures · 9,092 seats
Share of departures69.3%90.5%
Load
- UA
54 departures · 9,004 seats
Share of departures30.7%79.5%
Load
What plane flies CMH–IAH?
In July 2026, the Embraer E175 flew 69% of CMH–IAH departures — more than any other aircraft type.
- Embraer E175
122 departures · 90.5% load
69.3% - Boeing 737-800
42 departures · 79.7% load
23.9% - Boeing 737-900ER
6 departures · 82.6% load
3.4% - Airbus A320
4 departures · 77.3% load
2.3% - Boeing 737 MAX 9
2 departures · 70.4% load
1.1%
How has CMH–IAH traffic changed?
Nonstop CMH–IAH departures rose from 166 in August 2025 to 176 in July 2026.
Monthly nonstop CMH–IAH traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
166 departures · 16,553 passengers
74.3%
Load
September 2025
153 departures · 13,668 passengers
67.1%
Load
October 2025
176 departures · 15,387 passengers
76.0%
Load
November 2025
160 departures · 13,241 passengers
71.4%
Load
December 2025
156 departures · 13,059 passengers
77.5%
Load
January 2026
152 departures · 11,367 passengers
75.6%
Load
February 2026
145 departures · 10,802 passengers
78.1%
Load
March 2026
159 departures · 14,851 passengers
77.4%
Load
April 2026
173 departures · 13,242 passengers
72.9%
Load
May 2026
177 departures · 13,979 passengers
76.7%
Load
June 2026
173 departures · 15,446 passengers
82.1%
Load
July 2026
176 departures · 15,384 passengers
85.0%
Load
By direction
Each direction is filed separately — they rarely match.
CMH → IAH
86.2% full
88 departures · 7,774 passengers
IAH → CMH
83.8% full
88 departures · 7,610 passengers
Nonstop CMH–IAH 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
Frequently asked
How far is Columbus (CMH) from Houston (IAH)?
CMH to IAH is 986 miles (1,586 km / 857 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from CMH to IAH?
A nonstop covers the 986-mile great-circle distance in roughly 2h 46m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies CMH–IAH?
In July 2026, the Embraer E175 flew the largest share of departures (69.3%), followed by the Boeing 737-800 (23.9%).
What mileage do I earn flying CMH–IAH?
Distance-based programs credit off the 986-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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