Columbus (CMH) to St Louis (STL)
Flight time
≈ 1h 37m
Bearing
260° W
Columbus (CMH) to St Louis (STL) is 409 miles (657 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies CMH–STL
Filed traffic dataIn July 2026, Southwest Airlines was the only carrier flying nonstop CMH–STL; the Boeing 737 MAX 8 was the most common aircraft at 35% of departures; flights ran 63% full.
Departures
116
July 2026
Seats
18,818
both directions
Passengers
11,865
both directions
Load factor
63.0%
RPM ÷ ASM
Who flies CMH–STL?
Southwest Airlines was the only carrier to fly nonstop CMH–STL in July 2026 (116 departures).
- WN
116 departures · 18,818 seats
Share of departures100.0%63.0%
Load
What plane flies CMH–STL?
In July 2026, the Boeing 737 MAX 8 flew 35% of CMH–STL departures — more than any other aircraft type.
- Boeing 737 MAX 8
41 departures · 61.5% load
35.3% - Boeing 737-700
39 departures · 62.3% load
33.6% - Boeing 737-800
36 departures · 65.5% load
31.0%
How has CMH–STL traffic changed?
Nonstop CMH–STL departures rose from 111 in August 2025 to 116 in July 2026.
Monthly nonstop CMH–STL traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
111 departures · 12,234 passengers
68.0%
Load
September 2025
111 departures · 13,278 passengers
73.4%
Load
October 2025
115 departures · 12,753 passengers
70.5%
Load
November 2025
108 departures · 11,779 passengers
71.3%
Load
December 2025
116 departures · 11,660 passengers
65.5%
Load
January 2026
111 departures · 9,882 passengers
56.5%
Load
February 2026
102 departures · 10,121 passengers
65.5%
Load
March 2026
118 departures · 11,930 passengers
66.4%
Load
April 2026
112 departures · 11,010 passengers
67.4%
Load
May 2026
113 departures · 10,765 passengers
66.0%
Load
June 2026
114 departures · 12,816 passengers
70.7%
Load
July 2026
116 departures · 11,865 passengers
63.0%
Load
By direction
Each direction is filed separately — they rarely match.
STL → CMH
60.5% full
59 departures · 5,922 passengers
CMH → STL
65.8% full
57 departures · 5,943 passengers
Nonstop CMH–STL 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 St Louis (STL)?
CMH to STL is 409 miles (657 km / 355 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from CMH to STL?
A nonstop covers the 409-mile great-circle distance in roughly 1h 37m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies CMH–STL?
In July 2026, the Boeing 737 MAX 8 flew the largest share of departures (35.3%), followed by the Boeing 737-700 (33.6%).
What mileage do I earn flying CMH–STL?
Distance-based programs credit off the 409-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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