Chicago O'Hare International Airport frequencies

Chicago O'Hare International Airport (ORD · KORD) in Chicago, IL is a towered field, staffed 24 hours. Every frequency below is in the order you tune it, from the first call to the handoff on climb out. · Open on the map

All of Chicago O'Hare International Airport — runways, frequencies, charts and live weather

Before taxi O Hare

ATIS 135.4
A recorded loop of the field's weather, active runway and any notices, updated hourly or whenever conditions change. Listen before your first call, and tell the controller which letter you have so they do not read it to you again.
Clearance 119.25, 121.6 secondary
Clearance delivery issues your IFR clearance, and at busier fields your VFR departure instructions and squawk code. Call before you request taxi, with the ATIS letter and your intended direction of flight.

Taxi & takeoff O Hare

Ground 118.05 (TWR SOUTH), 121.675, 121.75 (TWR CENTER OUTBOUND), 121.9 (TWR CENTER INBOUND), 124.125 (TWR NORTH), 134.15 (TWR CENTER)
Ground control owns every taxiway and inactive runway on the field. Call for taxi with your position and destination on the field. You need an explicit clearance to cross any runway, including one that is not in use.
Tower 120.75 (RWY 04R/22L), 121.15 (RWY 09C/27C), 126.9 (RWY 09R/27L), 128.15 (RWY 09L/27R), 132.7 (RWY 10L/28R), 133.0 (RWY 10R/28L)
Tower owns the active runways and the surrounding surface area. Call before entering the surface area inbound, and hold short until you are cleared to take off or to cross.

Departure Chicago

Departure 126.625 (150-219 SOUTH · OHARE departures), 128.575 (320-149 EAST/NORTH · OHARE departures)
Departure control is the radar facility working aircraft climbing out of the area. Tower hands you off after takeoff. Check in with your altitude leaving and your assigned altitude.

Arrival Chicago

Approach 119.0 (360-179 · initial contact), 124.35 (secondary), 125.7 (180-359 · secondary), 133.625 (180-359)
Approach control is the radar facility sequencing arrivals into the area. Call inbound for flight following or an instrument approach, with your position, altitude and request.

Also

UNICOM 122.95
A ground station run by the FBO rather than the FAA, for fuel, parking and airport services. Use it for services. Where the field has no separate CTAF, the same frequency doubles as the advisory frequency.
Emergency 121.5
121.5 is the international emergency and distress frequency, monitored continuously. Declare on it if you are in trouble, and monitor it as a second radio when you have one free.
By procedure & sector (21 more)
119.625PRM (RWY 10C/28C)
120.55CLASS B (NORTH)
126.625OHARE DP (SOUTH), OHARE DP (WEST)
126.8VFR ADZY
128.05PRM (RWY 10R/28L)
128.2CLASS B (SOUTHEAST)
128.575OHARE DP (EAST/NORTH)
133.5CLASS B (SOUTH)
226.675GND/P
243.0EMERG
252.1ALCP
282.225D-ATIS
292.125APCH/P IC (360-179)
306.925CLASS B (NORTH)
327.075DEP/P (150-219 SOUTH), DEP/P (220-319 WEST), OHARE DP (SOUTH), OHARE DP (WEST)
348.0LCL/P
349.0CLASS B (SOUTH)
350.325APCH/P (180-359)
351.675DEP/P (320-149 EAST/NORTH), OHARE DP (EAST/NORTH)
353.875CLASS B (SOUTHEAST)
377.15APCH/P
Every KORD frequency, as one table
ATIS135.4
Clearance119.25, 121.6
Ground118.05 (TWR SOUTH), 121.675, 121.75 (TWR CENTER OUTBOUND), 121.9 (TWR CENTER INBOUND), 124.125 (TWR NORTH), 134.15 (TWR CENTER)
Tower120.75 (RWY 04R/22L), 121.15 (RWY 09C/27C), 126.9 (RWY 09R/27L), 128.15 (RWY 09L/27R), 132.7 (RWY 10L/28R), 133.0 (RWY 10R/28L)
UNICOM122.95
Emergency121.5
Approach119.0 · 360-179 · initial contact
Approach124.35 · secondary
Approach125.7 · 180-359 · secondary
Approach133.625 · 180-359
Departure126.625 · 150-219 SOUTH · OHARE departures
Departure128.575 · 320-149 EAST/NORTH · OHARE departures

Frequently asked

What is the tower frequency at KORD?

Chicago O'Hare International Airport tower is 120.75 (RWY 04R/22L), 121.15 (RWY 09C/27C), 126.9 (RWY 09R/27L), 128.15 (RWY 09L/27R), 132.7 (RWY 10L/28R), 133.0 (RWY 10R/28L), calling "O Hare Tower". The tower is staffed 24 hours.

What is the ground frequency at KORD?

Ground control at Chicago O'Hare International Airport is 118.05 (TWR SOUTH), 121.675, 121.75 (TWR CENTER OUTBOUND), 121.9 (TWR CENTER INBOUND), 124.125 (TWR NORTH), 134.15 (TWR CENTER). You need an explicit clearance from ground to cross any runway while taxiing, including one that is not in use.

What is the ATIS frequency at KORD?

ATIS at Chicago O'Hare International Airport is 135.4. Listen before your first call and report the letter you have.

What is the approach frequency for KORD?

Approach for Chicago O'Hare International Airport is 119.0, working as "Chicago" (360-179 · initial contact). Call inbound for flight following or to begin an instrument approach.

Where do I get my clearance at KORD?

Clearance delivery at Chicago O'Hare International Airport is 119.25, 121.6. Call before requesting taxi, with the current ATIS letter and your direction of flight.