O'Hare Airport Traffic Control Tower is authorized to conduct the following:

Simultaneous departures from current parallel runway pairs, listed below, with course divergence by 15 degrees or more, beginning no later than 4 miles from the runway end.

Current pairs:

4L / 4R

22L / 22R

9R with 9L or 10L

9C with 9L or 10L

10C with 9R or 9C

27L with 27R or 28R

27C with 27R or 28R

28C with 27L or 27C

Should you have any questions pertaining to these procedures, please contact the O'Hare Tower Plans and Procedures Office at (773) 601-7605.