Leave ByOpen the app

How early should I get to MDW?

Chicago Midway International Airport, Chicago, IL · Checked Oct 24, 2026

The short answer

Southwest, Midway's main airline, suggests arriving 120 minutes before domestic flights at MDW. Delta also recommends at least 2 hours. The Chicago Department of Aviation's TSA page gives no arrival time.

Southwest suggests 120 minutes before international flights at MDW

Those are blanket rules. Your real number depends on your terminal, the time of day, traffic from your door, and whether you have PreCheck or a bag. Leave By works out your exact leave time.

Source: southwest.com

Security lines at MDW

Terminals and checkpoints

Getting to MDW

Construction and changes in 2026

Checking a bag

MDW tips first-timers miss

Leaving for MDW?

Pick your flight and where you're starting. Leave By checks live traffic, security lines and your terminal, and tells you the minute to walk out the door.

Free. No account.

Questions travelers ask

Sources

Other airports near Chicago

Other airport guides