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Typical history

George Bush Intercontinental Airport TSA wait times

IAH · KIAH · Houston, Texas

Security wait

A live wait is shown in this space when the stored feed is under 15 minutes old.

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The current hour is filled from the observed-hour table in this browser.

Observed security history for George Bush Intercontinental Airport (IAH) is listed by hour. It is not a live reading. The current hour is chosen in the browser from that table.

Typical wait by hour

On Sundays, the quietest observed standard-lane hours are 12am (sample-weighted median 4 minutes) and 1am (sample-weighted median 4 minutes). The busiest observed hours are 11am (sample-weighted 75th percentile 13 minutes) and 10am (sample-weighted 75th percentile 11 minutes). Hours with no readings are left out, not treated as zero.

Standard lane only. Average and 75th percentile are sample-weighted from observed history. A gap means that hour had no readings.

PreCheck

Historical dataset includes a PreCheck lane.

CLEAR

CLEAR is not shown. We are not using a CLEAR source.

Departure delays

Historical on-time performance. Not a live delay.

79%

On-time departures, September 2025 through August 2026. A departure is on time when it left less than 15 minutes late.

Flights out of George Bush Intercontinental Airport left on time 79% of the time from September 2025 through August 2026. The largest share of delay minutes was late-arriving aircraft (37%). That is a share of delay minutes, not a share of flights. The average delay among departures that were 15 minutes or more late was 77 minutes. 1% of scheduled flights were cancelled.

The highest on-time month was September 2025 (86%). The lowest was June 2026 (71%).

Share of delay minutes by cause. Not a percent of flights.
CauseDelay minutesShare of delay minutes
late-arriving aircraft680,84037%
the airline614,81933%
the national airspace system441,98324%
weather104,7766%
security1,3160%

Customs and passport control

International arrivals. Not TSA security.

The current hour is filled from the customs table in this browser. It is not a TSA security wait.

Sunday
HourAveragePublished maximumPassengers
4am13 min32 min1,081
5am15 min44 min11,173
6am10 min28 min2,331
7am9 min32 min4,975
8am9 min25 min4,046
9am17 min50 min10,074
10am15 min41 min9,903
11am13 min25 min1,816
12pm11 min27 min6,053
1pm13 min39 min9,184
2pm15 min52 min16,339
3pm19 min63 min18,366
4pm21 min69 min15,113
5pm20 min65 min21,199
6pm20 min55 min11,254
7pm18 min60 min16,659
8pm15 min42 min3,024
9pm12 min27 min2,411
10pm15 min35 min2,668
11pm29 min52 min451
Monday
HourAveragePublished maximumPassengers
1am6 min15 min187
4am15 min30 min623
5am15 min46 min11,852
6am12 min29 min1,351
7am11 min34 min4,290
8am11 min29 min4,018
9am18 min59 min11,444
10am18 min46 min8,698
11am11 min28 min3,154
12pm11 min34 min6,932
1pm15 min48 min12,539
2pm20 min65 min15,179
3pm21 min74 min15,266
4pm24 min82 min16,937
5pm22 min71 min19,699
6pm19 min51 min10,238
7pm17 min53 min13,233
8pm12 min32 min3,543
9pm9 min21 min2,367
10pm13 min32 min2,959
11pm10 min28 min300
Tuesday
HourAveragePublished maximumPassengers
4am16 min45 min1,685
5am20 min53 min12,395
6am14 min37 min1,672
7am10 min29 min4,288
8am10 min29 min4,503
9am18 min65 min8,502
10am18 min58 min10,242
11am12 min30 min2,612
12pm8 min29 min4,366
1pm13 min48 min11,640
2pm20 min73 min16,409
3pm18 min63 min15,331
4pm23 min73 min14,555
5pm17 min58 min17,131
6pm13 min41 min8,416
7pm17 min57 min13,113
8pm8 min26 min1,222
9pm8 min19 min1,675
10pm13 min35 min2,792
11pm13 min41 min703
Wednesday
HourAveragePublished maximumPassengers
4am15 min35 min1,283
5am19 min53 min10,828
6am17 min42 min981
7am12 min35 min4,553
8am12 min32 min3,158
9am17 min54 min9,223
10am17 min46 min7,592
11am12 min25 min1,647
12pm8 min23 min3,654
1pm14 min51 min9,457
2pm17 min53 min14,346
3pm16 min64 min12,657
4pm18 min59 min15,248
5pm14 min50 min14,524
6pm14 min49 min7,384
7pm16 min57 min12,291
8pm13 min34 min1,822
9pm10 min24 min2,483
10pm12 min34 min3,072
11pm16 min35 min331
Thursday
HourAveragePublished maximumPassengers
4am22 min55 min1,647
5am22 min61 min9,061
6am19 min44 min2,042
7am14 min44 min4,163
8am17 min42 min2,910
9am18 min52 min6,327
10am17 min46 min7,859
11am13 min28 min1,857
12pm11 min29 min4,651
1pm18 min55 min9,680
2pm21 min66 min12,800
3pm18 min72 min11,188
4pm19 min69 min13,486
5pm16 min57 min16,160
6pm13 min46 min7,166
7pm14 min55 min11,721
8pm11 min37 min1,747
9pm10 min25 min2,442
10pm13 min30 min2,113
11pm14 min34 min849
Friday
HourAveragePublished maximumPassengers
4am16 min45 min1,618
5am23 min65 min10,754
6am15 min36 min1,350
7am13 min34 min4,458
8am12 min31 min4,353
9am20 min56 min8,043
10am20 min48 min8,519
11am12 min27 min2,125
12pm12 min33 min6,005
1pm17 min49 min11,153
2pm22 min66 min14,604
3pm18 min60 min11,643
4pm22 min69 min13,746
5pm22 min68 min15,287
6pm17 min60 min9,406
7pm19 min63 min11,799
8pm14 min53 min3,522
9pm11 min29 min2,900
10pm13 min36 min2,160
11pm19 min40 min322
Saturday
HourAveragePublished maximumPassengers
4am11 min33 min819
5am17 min49 min10,640
6am9 min22 min947
7am11 min35 min3,678
8am12 min47 min4,757
9am19 min58 min9,767
10am19 min54 min9,107
11am11 min28 min1,378
12pm9 min23 min3,792
1pm18 min62 min15,591
2pm23 min68 min13,225
3pm24 min91 min16,407
4pm27 min83 min18,695
5pm23 min71 min20,994
6pm22 min71 min9,846
7pm17 min57 min10,061
8pm13 min37 min3,252
9pm17 min36 min1,752
10pm14 min31 min1,865
11pm12 min33 min621

When to be at the airport

TSA's published guidance is to arrive at the airport 2 hours before a domestic departure and 3 hours before an international departure. That is guidance, not a measured security wait.

Your flight

Enter a departure time to calculate when to be at the airport.

This subtracts TSA's published arrival guidance from the time you enter. It is not a drive time, and it is not a predicted security wait.

Nearby airports

Distances are straight-line miles.

Airport details
Runways
5
Longest runway
15L/33R, 12,001 ft
Longest runway width
150 ft
Longest runway surface
CONC
Longest runway lighting
HIGH
Elevation
95.8 ft
Control tower
Yes
CY2024 enplanements
23,349,157
Facility use
Public
Ownership
Public
Part 139 certificate code
I E
Fuel
100LL,A
Airframe repair
MAJOR
Powerplant repair
MAJOR
Last inspection
2025/12/05
PreCheck
Historical dataset includes a PreCheck lane.

FAA facility record date 2026/10/01. Runways: BTS NTAD Runways. Facility facts: BTS NTAD Aviation Facilities. Enplanements: FAA CY2024 commercial service.

Questions

What is the TSA wait at IAH right now?

Observed security history for George Bush Intercontinental Airport (IAH) is listed by hour. It is not a live reading. The current hour is chosen in the browser from that table.

Does TSACheck have a live security wait for IAH?

A live figure is shown only when the stored airport feed is fresh. George Bush Intercontinental Airport (IAH) also has observed history. A stored value that is too old is not shown as live.

How often do flights leave IAH on time?

Flights out of George Bush Intercontinental Airport left on time 79% of the time from September 2025 through August 2026. The largest share of delay minutes was late-arriving aircraft (37%). That is a share of delay minutes, not a share of flights. The average delay among departures that were 15 minutes or more late was 77 minutes. 1% of scheduled flights were cancelled.

What is the customs wait at IAH?

Customs and passport-control history is in its own section. It is not a TSA security wait. The current hour is chosen from that table in the browser.

How early should I get to IAH?

TSA's published guidance is to arrive at the airport 2 hours before a domestic departure and 3 hours before an international departure. That is guidance, not a measured security wait.

Which airports are near IAH?

The nearest airports in this list are William P. Hobby Airport (HOU), 24 straight-line miles; Easterwood Field (CLL), 74 straight-line miles; Jack Brooks Regional Airport (BPT), 79 straight-line miles; Victoria Regional Airport (VCT), 123 straight-line miles; Lake Charles Regional Airport (LCH), 127 straight-line miles.