St Mary's (KSM) to Marshall (MLL)
Flight time
≈ 0h 53m
Bearing
108° E
St Mary's (KSM) to Marshall (MLL) is 44 miles (70 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies KSM–MLL
Filed traffic dataIn June 2026, Yute Commuter Service operated the most departures, one of 4 carriers flying nonstop KSM–MLL; the Cessna C206 was the most common aircraft at 80% of departures; flights ran 26% full.
Departures
15
June 2026
Seats
89
both directions
Passengers
23
both directions
Load factor
25.8%
RPM ÷ ASM
Who flies KSM–MLL?
Yute Commuter Service operated the most nonstop KSM–MLL departures in June 2026 (6), one of 4 carriers on the route.
- K2
Yute Commuter Service
6 departures · 37 seats
Share of departures40.0%2.7%
Load
- 6F
Fox Aircraft
5 departures · 36 seats
Share of departures33.3%30.6%
Load
- 7S
Ryan Air
2 departures · 1 seats
Share of departures13.3%0.0%
Load
- GV
Grant Aviation
2 departures · 15 seats
Share of departures13.3%73.3%
Load
What plane flies KSM–MLL?
In June 2026, the Cessna C206 flew 80% of KSM–MLL departures — more than any other aircraft type.
- Cessna C206
12 departures · 11.3% load
80.0% - Piper PA-31
2 departures · 38.9% load
13.3% - Cessna 208 Caravan
1 departures · 100.0% load
6.7%
How has KSM–MLL traffic changed?
Nonstop KSM–MLL departures fell from 21 in July 2025 to 15 in June 2026.
Monthly nonstop KSM–MLL traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
21 departures · 54 passengers
38.0%
Load
August 2025
13 departures · 15 passengers
17.4%
Load
September 2025
15 departures · 17 passengers
17.5%
Load
October 2025
28 departures · 53 passengers
28.0%
Load
November 2025
25 departures · 43 passengers
25.0%
Load
December 2025
15 departures · 37 passengers
33.9%
Load
January 2026
20 departures · 33 passengers
24.8%
Load
February 2026
25 departures · 41 passengers
26.1%
Load
March 2026
25 departures · 23 passengers
13.7%
Load
April 2026
16 departures · 17 passengers
18.1%
Load
May 2026
29 departures · 61 passengers
31.8%
Load
June 2026
15 departures · 23 passengers
25.8%
Load
By direction
Each direction is filed separately — they rarely match.
MLL → KSM
26.8% full
10 departures · 15 passengers
KSM → MLL
24.2% full
5 departures · 8 passengers
Nonstop KSM–MLL traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is St Mary's (KSM) from Marshall (MLL)?
KSM to MLL is 44 miles (70 km / 38 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from KSM to MLL?
A nonstop covers the 44-mile great-circle distance in roughly 0h 53m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies KSM–MLL?
In June 2026, the Cessna C206 flew the largest share of departures (80.0%), followed by the Piper PA-31 (13.3%).
What mileage do I earn flying KSM–MLL?
Distance-based programs credit off the 44-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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