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.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies MKE–STL
Filed traffic dataIn May 2026, Southwest Airlines operated the most departures, one of 2 carriers flying nonstop MKE–STL; the Boeing 737-700 was the most common aircraft at 61% of departures; flights ran 58% full.
Departures
123
May 2026
Seats
18,679
both directions
Passengers
10,912
both directions
Load factor
58.4%
RPM ÷ ASM
Who flies MKE–STL?
Southwest Airlines operated the most nonstop MKE–STL departures in May 2026 (122), one of 2 carriers on the route.
- WN
122 departures · 18,500 seats
Share of departures99.2%58.6%
Load
- UA
1 departures · 179 seats
Share of departures0.8%44.1%
Load
What plane flies MKE–STL?
In May 2026, the Boeing 737-700 flew 61% of MKE–STL departures — more than any other aircraft type.
- Boeing 737-700
75 departures · 64.3% load
61.0% - Boeing 737 MAX 8
26 departures · 47.0% load
21.1% - Boeing 737-800
21 departures · 56.7% load
17.1% - Boeing 737 MAX 9
1 departures · 44.1% load
0.8%
How has MKE–STL traffic changed?
Nonstop MKE–STL departures rose from 110 in June 2025 to 123 in May 2026.
Monthly nonstop MKE–STL traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
110 departures · 12,000 passengers
66.7%
Load
July 2025
114 departures · 12,672 passengers
67.6%
Load
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
By direction
Each direction is filed separately — they rarely match.
STL → MKE
54.9% full
62 departures · 5,541 passengers
MKE → STL
62.6% full
61 departures · 5,371 passengers
Nonstop MKE–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 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 May 2026, the Boeing 737-700 flew the largest share of departures (61.0%), followed by the Boeing 737 MAX 8 (21.1%).
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.
Keep exploring
Every route below is its own page.
Popular long-haul routes