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 May 2026, Southwest Airlines was the only carrier flying nonstop CMH–STL; the Boeing 737-700 was the most common aircraft at 81% of departures; flights ran 66% full.
Departures
113
May 2026
Seats
16,317
both directions
Passengers
10,765
both directions
Load factor
66.0%
RPM ÷ ASM
Who flies CMH–STL?
Southwest Airlines was the only carrier to fly nonstop CMH–STL in May 2026 (113 departures).
- WN
113 departures · 16,317 seats
Share of departures100.0%66.0%
Load
What plane flies CMH–STL?
In May 2026, the Boeing 737-700 flew 81% of CMH–STL departures — more than any other aircraft type.
- Boeing 737-700
91 departures · 69.9% load
80.5% - Boeing 737 MAX 8
12 departures · 51.5% load
10.6% - Boeing 737-800
10 departures · 55.4% load
8.8%
How has CMH–STL traffic changed?
Nonstop CMH–STL departures rose from 112 in June 2025 to 113 in May 2026.
Monthly nonstop CMH–STL traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
112 departures · 11,167 passengers
63.3%
Load
July 2025
113 departures · 10,532 passengers
59.7%
Load
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
By direction
Each direction is filed separately — they rarely match.
STL → CMH
66.7% full
57 departures · 5,434 passengers
CMH → STL
65.3% full
56 departures · 5,331 passengers
Nonstop CMH–STL 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 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 May 2026, the Boeing 737-700 flew the largest share of departures (80.5%), followed by the Boeing 737 MAX 8 (10.6%).
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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