Milwaukee (MKE) to St Louis (STL)
Flight time
≈ 1h 26m
Bearing
205° SW
Milwaukee (MKE) to St Louis (STL) is 318 miles (511 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies MKE–STL
Filed traffic dataIn July 2026, Southwest Airlines was the only carrier flying nonstop MKE–STL; the Boeing 737-700 was the most common aircraft at 53% of departures; flights ran 58% full.
Departures
116
July 2026
Seats
17,982
both directions
Passengers
10,423
both directions
Load factor
58.0%
RPM ÷ ASM
Who flies MKE–STL?
Southwest Airlines was the only carrier to fly nonstop MKE–STL in July 2026 (116 departures).
- WN
116 departures · 17,982 seats
Share of departures100.0%58.0%
Load
What plane flies MKE–STL?
In July 2026, the Boeing 737-700 flew 53% of MKE–STL departures — more than any other aircraft type.
- Boeing 737-700
61 departures · 59.3% load
52.6% - Boeing 737 MAX 8
32 departures · 59.7% load
27.6% - Boeing 737-800
23 departures · 52.8% load
19.8%
How has MKE–STL traffic changed?
Nonstop MKE–STL departures fell from 121 in August 2025 to 116 in July 2026.
Monthly nonstop MKE–STL traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
121 departures · 15,335 passengers
78.6%
Load
September 2025
121 departures · 14,755 passengers
75.6%
Load
October 2025
114 departures · 12,931 passengers
74.2%
Load
November 2025
110 departures · 10,846 passengers
65.8%
Load
December 2025
116 departures · 11,786 passengers
66.6%
Load
January 2026
113 departures · 9,041 passengers
49.5%
Load
February 2026
105 departures · 9,701 passengers
60.7%
Load
March 2026
105 departures · 9,645 passengers
61.5%
Load
April 2026
119 departures · 12,003 passengers
67.3%
Load
May 2026
123 departures · 10,912 passengers
58.4%
Load
June 2026
112 departures · 10,947 passengers
62.8%
Load
July 2026
116 departures · 10,423 passengers
58.0%
Load
By direction
Each direction is filed separately — they rarely match.
MKE → STL
61.0% full
58 departures · 5,539 passengers
STL → MKE
54.9% full
58 departures · 4,884 passengers
Nonstop MKE–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 Milwaukee (MKE) from St Louis (STL)?
MKE to STL is 318 miles (511 km / 276 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from MKE to STL?
A nonstop covers the 318-mile great-circle distance in roughly 1h 26m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies MKE–STL?
In July 2026, the Boeing 737-700 flew the largest share of departures (52.6%), followed by the Boeing 737 MAX 8 (27.6%).
What mileage do I earn flying MKE–STL?
Distance-based programs credit off the 318-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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