The Transportation Security Administration (TSA) operates nine security checkpoints at George Bush Intercontinental Airport (IAH).

Checkpoint hours vary throughout IAH. Below you will find the standard hours of operation for each checkpoint. Please keep in mind that these times may change due to the airlines' schedules.

Terminal A North

  • Hours: 3:30 a.m. - 7:30 p.m.
  • Pre✓™ Hours: 3:30 a.m. - 6:00 p.m.
  • Expedited All Day

Terminal A South**

  • Hours: 3:30 a.m. - 12:30 a.m.
  • Expedited All Day

Terminal B***

  • Hours: 5:00 a.m. - 9:00 p.m.
  • Pre✓™ Hours: 5:00 a.m. - 7:00 p.m.
  • Expedited All Day

Terminal C North**

  • Hours: 4:00 a.m. - 12:00 a.m.
  • Pre✓™ Hours: 4:00 a.m. - 7:00 p.m.
  • Expedited All Day

Terminal C South

  • Hours: 4:00 a.m. - 7:30 p.m.

Terminal D

  • Hours: 4:00 a.m. - 12:30 a.m.

Terminal E

  • Temporarily Closed

Federal Inspection Services (FIS)

  • Hours: 5:00 a.m. - 9:00 p.m.

Expedited screening is available at all IAH security checkpoints for travelers who are members of the DoD, Adults 75 and Older, Children 12 and under, and for those who have been identified as TSA Pre✓™  with the logo on their boarding pass.  TSA TSA Pre✓™ travelers will be expedited.

In the absence of the TSA Pre✓™ lane at a checkpoint, TSA Pre✓™ travelers will be expedited. Expedited screening requires that liquids and large electronic devices such as laptops be removed from carry-on baggage. Travelers undergoing expedited screening are NOT required to remove shoes and light jackets.

Pre✓™ availability at IAH Checkpoints is subject to change based on traveler throughput analysis and participation.

**KCM (Known Crew Member) Portal Available
***KCM (Known Crew Member) Portal Available from 4:00 a.m. - 7:00 p.m.

Learn more about TSA PreCheck.

Federal Aviation Administration Aviation Update
The FAA has very useful tips to help air travelers meet and assist the heightened security measures implemented since the Sept. 11 attacks. These guidelines are available to make your travel experience an easier one. For more information, please visit