Chicago Midway International Airport (MDW) (Cook County)
Last Updated: September 14, 2025, 11:53 am UTCSee the WIKI for additional frequencies, information and business licenses
See the Chicago (ZAU) Air Route Traffic Control Center database page
Also see the Aircraft Communications Addressing and Reporting System (ACARS) (United States) page; Common Aviation page
Frequencies
Chicago Midway International Airport (MDW)
Public Safety / Operations
| Chicago OEMC Public Safety - 800 MHz P25 Project 25 Phase II | Midway Airport Site |
Tower/Approach/Departure
Ground control updated from 121.650 to 118.075 (12/23); no licenses found for another other frequencies listed
| Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
|---|---|---|---|---|---|---|---|
| 128.200 | BM | CSQ | MDW A/D VHF 1 | Approach/Departure: VHF Primary | AM | Aircraft | |
| 126.050 | BM | CSQ | MDW A/D VHF 2 | Approach/Departure: VHF Secondary | AM | Aircraft | |
| 133.900 | BM | MDW A/D VHF Alt | Approach/Departure: VHF Alternate | AM | Aircraft | ||
| 353.875 | BM | MDW A/D UHF | Approach/Departure: UHF Primary | AM | Aircraft | ||
| 135.200 | BM | CSQ | MDW VHF Twr | Tower: VHF Primary (and Class C/S?) | AM | Aircraft | |
| 269.125 | BM | MDW UHF Twr | Tower: UHF Primary (and Class C Airspace/Radar UHF?) | AM | Aircraft | ||
| 118.075 | BM | CSQ | MDW GrdCntrl | Ground Control | AM | Aircraft | |
| 124.625 | BM | CSQ | MDW ClrncDel | Clearance Delivery | AM | Aircraft | |
| 121.850 | B | CSQ | MDW ClrncDel | Clearance Delivery (Old?) | AM | Aircraft | |
| 132.750 | BM | CSQ | MDW ATIS | ATIS / ASOS | AM | Aircraft | |
| 119.450 | BM | CSQ | MDW Class C IC | Class C Airspace/Radar | AM | Aircraft | |
| 122.950 | WQQC749 | BM | CSQ | MDW UNICOM | UNICOM (Signature) | AM | Aircraft |
Airline Operations
| Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
|---|---|---|---|---|---|---|---|
| 131.800 | WQZU801 | BM | CSQ | Volaris Airlines | Volaris Airlines: Operations | AM | Aircraft |
Fixed Base Operators
| Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
|---|---|---|---|---|---|---|---|
| 131.425 | KXT3 | BM | CSQ | AtlntcAv FBO | Atlantic Aviation | AM | Business |
| 461.4625 | WQSL403 | RM | CC 2 TG 201 SL 1 |
Atlantic FBO 1 | Atlantic Aviation: Operations [Expired 10/23] | DMRE | Business |
| 461.4625 | WQSL403 | RM | CC 2 TG * SL 2 |
Atlantic FBO 2 | Atlantic Aviation: Operations [Expired 10/23] | DMRE | Business |
| 128.925 | WQN3 | BM | CSQ | SFS Air | Signature Flight Services: Air-Ground Communications | AM | Business |
| 451.350 | WPVT793 | RM | 132 DPL | SFS Grnd Ops1 | Signature Flight Services: Ground Ops 1 (Primary) | FMN | Business |
| 463.925 | WPVT793 | RM | 132 DPL | SFS Grnd Ops2 | Signature Flight Services: Ground Ops 2 | FMN | Business |
| 469.750 | WPVT793 | M | SFS Ops 4 | Signature Flight Services: Operations | FMN | Business | |
| 469.825 | WPVT793 | M | SFS Ops 5 | Signature Flight Services: Operations | FMN | Business | |
| 469.875 | WPVT793 | M | SFS Ops 6 | Signature Flight Services: Operations | FMN | Business |
Southwest Airlines
| Southwest Airlines (Midway) DMR Motorola Capacity Plus Single Site (TRBO) | All operations (except listed below) are on this Capacity Plus DMR system. |
| Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
|---|---|---|---|---|---|---|---|
| 460.8875 | WPEE422 | RM | CC 7 TG 10 SL 1 |
MDW SW T-Point 7 | T-Point Operations (Ch 7) | DMR | Business |
| 464.725 | WQPB241 | RM | CC 8 TG 1 SL 1 |
MDW SP Fueling | Swissport Fueling (Private contractor) | DMR | Business |
| 130.125 | WAP8 | BM | CSQ | MDW SWA Maint | Southwest Airlines - Maintenance | AM | Business |
| 129.275 | WKD8 | BM | CSQ | MDW SWA Ops | Southwest Airlines - Operations | AM | Business |
| 130.775 | WRJ9 | BM | CSQ | MDW SW DeIce A | De-Ice - A Gates [Cancelled] | AM | Business |
| 130.875 | BM | CSQ | MDW SW DeIce B | De-Ice - B Gates [No License] | AM | Business |
Airlines - Ground Operations
| Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
|---|---|---|---|---|---|---|---|
| 460.750 | WPEC261 | RM | 162.2 PL | Delta Midway | Delta Airlines: Ramp Operations | FMN | Business |
| 463.7625 | WQBM435 | RM | 131.8 PL | Delta Connection | Delta Connection (Comair, Shuttle America) [Expired 8/12] | FMN | Business |
| 460.675 | WPGM353 | RM | 127.3 PL | United Ops | United Airlines | FMN | Business |
Transportation Security Administration (TSA)
UHF frequency starting to see testing and usage. VHF frequencies will likely be deprecated after the UHF repeater is placed into service full time. (6/16/22)
Support Services / Businesses
See the WIKI for more info
| Diga-Talk NXDN NEXEDGE 4800 | See subcategory "Chicago - Midway area Talkgroups" |
| Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
|---|---|---|---|---|---|---|---|
| 461.64375 | WRCE597 | RM | 10 RAN | AvisBudgetMDW | Avis / Budget RAC: Rental Car Ops | NXDN48 | Business |
| 461.075 | WPSI933 | RM | CC 9 TG 1 SL 1 |
PAS MWay 1 | Prospect Airport Services: Wheelchair Services [Expired 10/11] | DMR | Business |
| 461.075 | WPSI933 | RM | CC 9 TG 1 SL 2 |
PAS MWay 2 | Prospect Airport Services: Wheelchair Services [Expired 10/11] | DMR | Business |
| 464.625 | WQAG826 | RM | 612 DPL | Stndrd Parking 2 | Standard Parking: Ground Transportation Coordination | FMN | Business |
| 451.725 | WQAG826 | RM | 712 DPL | Stndrd Parking 1 | Standard Parking: Parking Lots / Structure Ops | FMN | Business |
| 463.675 | WSDH834 | RM | CC 12 TG 400 SL 1 |
Parking Spot MDW | The Parking Spot Midway: Shuttle Ops | DMR | Business |