Kansas City (MCI) to St Louis (STL)
Flight time
≈ 1h 16m
Bearing
98° E
Kansas City (MCI) to St Louis (STL) is 236 miles (380 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies MCI–STL
Filed traffic dataIn July 2026, Southwest Airlines operated the most departures, one of 2 carriers flying nonstop MCI–STL; the Boeing 737-700 was the most common aircraft at 53% of departures; flights ran 74% full.
Departures
190
July 2026
Seats
29,387
both directions
Passengers
21,813
both directions
Load factor
74.2%
RPM ÷ ASM
Who flies MCI–STL?
Southwest Airlines operated the most nonstop MCI–STL departures in July 2026 (189), one of 2 carriers on the route.
- WN
189 departures · 29,237 seats
Share of departures99.5%74.1%
Load
- AA
1 departures · 150 seats
Share of departures0.5%92.0%
Load
What plane flies MCI–STL?
In July 2026, the Boeing 737-700 flew 53% of MCI–STL departures — more than any other aircraft type.
- Boeing 737-700
101 departures · 77.7% load
53.2% - Boeing 737 MAX 8
61 departures · 67.7% load
32.1% - Boeing 737-800
27 departures · 78.1% load
14.2% - Airbus A320
1 departures · 92.0% load
0.5%
How has MCI–STL traffic changed?
Nonstop MCI–STL departures held steady at about 190 a month between August 2025 and July 2026.
Monthly nonstop MCI–STL traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
190 departures · 20,699 passengers
67.8%
Load
September 2025
189 departures · 21,520 passengers
71.0%
Load
October 2025
179 departures · 22,088 passengers
79.1%
Load
November 2025
164 departures · 17,422 passengers
67.4%
Load
December 2025
174 departures · 20,504 passengers
74.7%
Load
January 2026
140 departures · 15,271 passengers
65.8%
Load
February 2026
142 departures · 15,733 passengers
69.1%
Load
March 2026
177 departures · 19,288 passengers
70.6%
Load
April 2026
187 departures · 20,536 passengers
73.4%
Load
May 2026
189 departures · 22,419 passengers
78.3%
Load
June 2026
192 departures · 23,653 passengers
79.9%
Load
July 2026
190 departures · 21,813 passengers
74.2%
Load
By direction
Each direction is filed separately — they rarely match.
MCI → STL
75.0% full
95 departures · 11,228 passengers
STL → MCI
73.4% full
95 departures · 10,585 passengers
Nonstop MCI–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 Kansas City (MCI) from St Louis (STL)?
MCI to STL is 236 miles (380 km / 205 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from MCI to STL?
A nonstop covers the 236-mile great-circle distance in roughly 1h 16m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies MCI–STL?
In July 2026, the Boeing 737-700 flew the largest share of departures (53.2%), followed by the Boeing 737 MAX 8 (32.1%).
What mileage do I earn flying MCI–STL?
Distance-based programs credit off the 236-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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