Terminals · Chicago O'Hare

ORD Terminal 1

United, ANA and Lufthansa fly from Terminal 1. Terminal 1 covers Concourses B and C (52 gates). You clear security right there, so check today's live ORD wait before you leave.

Wayfinding diagram for finding your gate inside a terminal, following overhead signs from security through the concourse. — Finding your gate: past security, follow the overhead signs by gate number and concourse rather than the terminal name alone.

ORD TSA wait times todayLive security waits by checkpoint, the forecast, and your Leave-By Time.

Which airlines use Terminal 1 at ORD?

These airlines fly from Terminal 1 at ORD. Tap one for its gates, check-in hall, and whether it recently moved terminals.

What gates are in Terminal 1, and where do you check in?

Concourses B and C (52 gates). United and its partners check in on the upper level.

Two concourses, B and C.

Where is security in Terminal 1 at ORD?

The Terminal 1 checkpoint serves Concourses B and C, with TSA PreCheck lanes. Lines still swing by the hour, so check ORD wait times by terminal and head to the fastest open lane. Not sure how long to budget? How long does airport security really take breaks it down by the hour.

How do you get to and from Terminal 1 at ORD?

Airport Transit System (ATS). The free 24-hour Airport Transit System (ATS) train stops here; Terminal 1 is connected airside to Terminals 2 and 3. Walk between Concourses B and C through the underground tunnel and its neon 'Sky's the Limit' light show. Stay airside to reach Terminals 2 and 3 on foot.

Changing terminals on a connection? Check the minimum connection time you need, and see all ORD terminals on the airport map.

Accessibility and getting around Terminal 1

Accessibility. Step-free access with elevators, ramps, and assistance on request.
Domestic or international? International arrivals are processed at Terminal 5, which holds O'Hare's only customs hall; connecting passengers then re-enter security.
Past security. Restaurants, bars, and shops line both concourses.They're handy once you're through, but they shouldn't change when you leave home.

Cheap ORD parking — comparedFind the lot closest to Terminal 1 and fold the shuttle into your Leave-By Time.

Terminal 1 layout verified June 27, 2026against the airport's own sources. Terminals do change — we date every update.

Common questions about ORD Terminal 1

Which airlines use Terminal 1 at ORD?

United (Terminals 1 and 2), ANA (Terminal 1), Lufthansa (Terminal 1) use Terminal 1 at ORD. Tap an airline for its gates, check-in hall, and whether it recently moved.

What gates are in Terminal 1, and where do you check in?

Terminal 1 covers Concourses B and C (52 gates). United and its partners check in on the upper level.

Where is security in Terminal 1 at ORD?

The Terminal 1 checkpoint serves Concourses B and C, with TSA PreCheck lanes. Waits swing by the hour, so check ORD wait times by terminal and head to the fastest open lane before you get through security.

How do you get to and from Terminal 1 at ORD?

The free 24-hour Airport Transit System (ATS) train stops here; Terminal 1 is connected airside to Terminals 2 and 3. Walk between Concourses B and C through the underground tunnel and its neon 'Sky's the Limit' light show. Stay airside to reach Terminals 2 and 3 on foot.

You know Terminal 1. Now get the exact minute to walk out your door — built from today's live ORD security wait and your drive.

See your Leave-By Time →

TSA·WAIT·TIMES

Terminals · Chicago O'Hare

ORD Terminal 1

United, ANA and Lufthansa fly from Terminal 1. Terminal 1 covers Concourses B and C (52 gates). You clear security right there, so check today's live ORD wait before you leave.

ORD TSA wait times todayLive security waits by checkpoint, the forecast, and your Leave-By Time.

Which airlines use Terminal 1 at ORD?

These airlines fly from Terminal 1 at ORD. Tap one for its gates, check-in hall, and whether it recently moved terminals.

What gates are in Terminal 1, and where do you check in?

Concourses B and C (52 gates). United and its partners check in on the upper level.

Two concourses, B and C.

Where is security in Terminal 1 at ORD?

How do you get to and from Terminal 1 at ORD?

Changing terminals on a connection? Check the minimum connection time you need, and see all ORD terminals on the airport map.

Accessibility and getting around Terminal 1

Accessibility. Step-free access with elevators, ramps, and assistance on request.
Domestic or international? International arrivals are processed at Terminal 5, which holds O'Hare's only customs hall; connecting passengers then re-enter security.
Past security. Restaurants, bars, and shops line both concourses.They're handy once you're through, but they shouldn't change when you leave home.

Cheap ORD parking — comparedFind the lot closest to Terminal 1 and fold the shuttle into your Leave-By Time.

Terminal 1 layout verified June 27, 2026against the airport's own sources. Terminals do change — we date every update.

Common questions about ORD Terminal 1

Which airlines use Terminal 1 at ORD?

United (Terminals 1 and 2), ANA (Terminal 1), Lufthansa (Terminal 1) use Terminal 1 at ORD. Tap an airline for its gates, check-in hall, and whether it recently moved.

What gates are in Terminal 1, and where do you check in?

Terminal 1 covers Concourses B and C (52 gates). United and its partners check in on the upper level.

Where is security in Terminal 1 at ORD?

How do you get to and from Terminal 1 at ORD?

You know Terminal 1. Now get the exact minute to walk out your door — built from today's live ORD security wait and your drive.

See your Leave-By Time →