How long does it take to transfer from Terminal 1 to Terminal 3?

The trip between Terminal 1 and Terminal 3 takes about 15 minutes by 徒歩.

Do I need to clear security again transferring between Terminal 1 and Terminal 3?

No — the transfer between Terminal 1 and Terminal 3 stays inside security, so there is no re-screening.

T1T3

How to transfer from Terminal 1 to Terminal 3 at O'Hare International Airport

Getting from Terminal 1 to Terminal 3 at O'Hare International Airport (ORD) takes about 15 minutes by 徒歩. You stay inside security, so there is no need to be re-screened.

徒歩15分保安エリア内のまま

One secure-side pedestrian route links Terminals 1, 2 and 3 — follow the overhead signage, no need to leave security or ride the ATS.

O'Hare International Airport (ORD) has 4 terminals in total. The same route runs in both directions between Terminal 1 and Terminal 3.

O'Hare International Airportの公式サイトターミナル情報の更新日：2026年9月15日

About T1 and T3

T1第1ターミナル

United Airlines hub (concourses B and C).

Airlines at Terminal 1 (T1):

NHAll Nippon Airways LHLufthansa UAUnited Airlines

T3第3ターミナル

American Airlines (concourses G, H, K, L).

Airlines at Terminal 3 (T3):

EIAer Lingus AAAmerican Airlines BABritish Airways IBIberia JLJapan Airlines

Other terminal transfers at O'Hare International Airport

T1T2 T1T5 T2T3 T2T5 T3T5

よくある質問

How do I get from Terminal 1 to Terminal 3 at O'Hare International Airport?: Travel between Terminal 1 and Terminal 3 at O'Hare International Airport (ORD) by 徒歩.
How long does it take to transfer from Terminal 1 to Terminal 3?: The trip between Terminal 1 and Terminal 3 takes about 15 minutes by 徒歩.
Do I need to clear security again transferring between Terminal 1 and Terminal 3?: No — the transfer between Terminal 1 and Terminal 3 stays inside security, so there is no re-screening.

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