Tower & ground Midway
| ATIS | 132.75 |
|---|---|
| Clearance | 124.625 |
| Ground | 118.075 |
| Tower | 135.2 |
| UNICOM | 122.95 |
| Emergency | 121.5 |
Approach & departure Chicago
| App/Dep | 126.05 · secondary |
|---|---|
| App/Dep | 128.2 |
By procedure & sector (4 more)
| 119.45 | CLASS C |
|---|---|
| 135.2 | CLASS C/S |
| 269.125 | CLASS C, LCL/P |
| 353.875 | APCH/P DEP/P |
Frequencies from FAA NASR. For planning and education only; always verify against official sources.