📍 Alton/St Louis⬆ 544 ft2 runways
KALN · ALN
St Louis Regional Airport
38.89030°N
-90.04600°W
ARR / DAY
0
▼
100.0%
DEP / DAY
0
▼
100.0%
St Louis Regional Airport (KALN/ALN) is a medium general aviation airport located in Alton/St Louis, IL, 20 mi north east of St. Louis. It features 2 runways with the longest being 8,099 feet.
Safety incidents
Last 7 days · 0 total
Current weather
Latest METAR observation
Temp
83°F
Wind
0 kts
0°
Visib
10+ km
Ceil
—
Top carriers
Share of flights
Top destinations
By flight count
No data.
Carriers
No carrier data.
Communications Frequencies
2026-06-11| Type | Freq (MHz) | Hours |
|---|---|---|
| CTAF | 126.000 | — |
| TWR | 126.000 | 0700-2200 |
| TWR | 239.000 | 0700-2200 |
| GND | 120.200 | 0700-2200 |
| ATIS | 128.000 | 0700-2200 |
| APCH | 124.200 | — |
| APCH | 353.900 | — |
| UNICOM | 122.950 | — |
| AWOS | 128.000 | — |
| FARMR ST | 119.150 | — |
| OTHER | 119.150 | — |
| CD/P | 120.200 | — |
| OTHER | 120.200 | — |
| LCL/P | 126.000 | 0700-2200 |
| DELMA ST | 128.100 | — |
| OTHER | 128.100 | — |
| LCL/P | 239.000 | 0700-2200 |
| DELMA ST | 307.050 | — |
| OTHER | 307.050 | — |
| FARMR ST | 335.500 | — |
| OTHER | 335.500 | — |
Airport operations
- ARTCC:
- ZKC
- Mag var:
- 1° W
- Fuel:
- 100LL
Hourly traffic
Avg movements per hour · local time · last 30 days
Top routes
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0 routes
No routes on file.
Pilot & community notes
1 comment from OurAirports (click to expand)
1
Pilot & community notes
1 comment from OurAirports (click to expand)
TS
tshiverd
11/30/2017
Landed here while doing my training hours when I had a Cardinal RG. Nice St. Louis area airport
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Updated 04:17 UTC