Do you wait 'on line' or 'in line'?

Waiting in line is much more common than waiting on line, which is a phrase largely local to the New York City region. Both communicate the same meaning.

SkyTrain Schedules

Caliban's Island

Faint line on a pregnancy test — what does it mean?

The Highway Code - Using the road (159 to 203) - Guidance

Social Distance Floor Signs, Thank You For Waiting In Line Until You Are Called Upon, Yellow

How to Type on Both Sides of a Google Doc - (on the same line

Bradley Taylor Hazen Ar

LINE｜always at your side.

GO Transit - System Map