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 May 2026, Mesa Airlines operated the most departures, one of 2 carriers flying nonstop CMH–IAH; the Embraer E175 was the most common aircraft at 56% of departures; flights ran 77% full.
Departures
177
May 2026
Seats
18,228
both directions
Passengers
13,979
both directions
Load factor
76.7%
RPM ÷ ASM
Who flies CMH–IAH?
Mesa Airlines operated the most nonstop CMH–IAH departures in May 2026 (99), one of 2 carriers on the route.
- YV
99 departures · 7,212 seats
Share of departures55.9%83.8%
Load
- UA
78 departures · 11,016 seats
Share of departures44.1%72.1%
Load
What plane flies CMH–IAH?
In May 2026, the Embraer E175 flew 56% of CMH–IAH departures — more than any other aircraft type.
- Embraer E175
99 departures · 83.8% load
55.9% - Airbus A319
36 departures · 77.9% load
20.3% - Boeing 737-800
22 departures · 65.3% load
12.4% - Boeing 737-700
12 departures · 83.6% load
6.8% - Airbus A320
4 departures · 65.2% load
2.3% - Boeing 737 MAX 9
2 departures · 57.5% load
1.1% - Boeing 737-900ER
2 departures · 44.4% load
1.1%
How has CMH–IAH traffic changed?
Nonstop CMH–IAH departures rose from 173 in June 2025 to 177 in May 2026.
Monthly nonstop CMH–IAH traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
173 departures · 16,098 passengers
80.4%
Load
July 2025
174 departures · 18,323 passengers
76.0%
Load
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
By direction
Each direction is filed separately — they rarely match.
IAH → CMH
76.8% full
89 departures · 7,030 passengers
CMH → IAH
76.6% full
88 departures · 6,949 passengers
Nonstop CMH–IAH 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
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 May 2026, the Embraer E175 flew the largest share of departures (55.9%), followed by the Airbus A319 (20.3%).
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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