📍 Cahokia/St Louis⬆ 413 ft3 runways
KCPS · CPS
St Louis Downtown Airport
38.57070°N
-90.15620°W
ARR / DAY
47
▼
33.4%
DEP / DAY
63
▼
32.2%
Safety incidents
Last 7 days · 4 total
Current weather
Latest METAR observation
Temp
77°F
Wind
0 kts
0°
Visib
10+ km
Ceil
—
Runways
3 installed
05/23
2,799 ft × 75
ASPH-F○ unlitMED
12L/30R
5,301 ft × 75
CON● LITMED
12R/30L
7,002 ft × 150
ASP● LITHIGH
Runway intelligence
Which runway carries the operations, observed over the last 30 days
12R
43% of ops
1,383 land · 130 TO
30L
18% of ops
570 land · 59 TO
12L
18% of ops
561 land · 2,219 TO
30R
10% of ops
335 land · 256 TO
05
6% of ops
197 land · 182 TO
23
5% of ops
152 land · 115 TO
Runway 12R carries 43% of operations (1,383 landings, 130 takeoffs) over the last 30 days. The next most-used is 30L at 18%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
12R
1,383 landings
UA 9%
30L
570 landings
UA 6%
12L
561 landings
UA 7%
30R
335 landings
UA 5%
05
197 landings
UA 8%
23
152 landings
UA 9%
Approaches to 12R show a 9% unstable-approach rate (119 UA events from 1,383 landings).Phase B will add wind-correlation: which crosswind band produces most UA events.
Traffic behavior
When the field is busy: hourly + weekday vs weekend
Daily avg
95.4
flights/day · 2,863 total
Busy hour (local)
3pm
also 2pm · 6pm
Day vs night
66%
06:00–20:00 local
Communications Frequencies
2026-06-11| Type | Freq (MHz) | Hours |
|---|---|---|
| CTAF | 119.925 | — |
| TWR | 119.925 | 0630-2200 |
| TWR | 379.300 | 0630-2200 |
| GND | 121.800 | 0630-2200 |
| ATIS | 121.450 | 0630-2200 |
| APCH | 123.700 | — |
| APCH | 371.875 | — |
| UNICOM | 122.950 | — |
| CD/P | 118.275 | 0630-2200 |
| OTHER | 118.275 | 0630-2200 |
| BUUDD ST | 119.150 | — |
| FARMR ST | 119.150 | — |
| OTHER | 119.150 | — |
| LCL/P | 119.925 | 0630-2200 |
| CD/P | 121.800 | — |
| OTHER | 121.800 | — |
| DELMA ST | 128.100 | — |
| DIXEE ST | 128.100 | — |
| OTHER | 128.100 | — |
| DELMA ST | 307.050 | — |
| DIXEE ST | 307.050 | — |
| OTHER | 307.050 | — |
| BUUDD ST | 335.500 | — |
| FARMR ST | 335.500 | — |
| OTHER | 335.500 | — |
| LCL/P | 379.300 | 0630-2200 |
Airport operations
- ARTCC:
- ZKC
- Fuel:
- 100LL
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 07:23 UTC