ICAO KHOU

Houston William P. Hobby (HOU)

William P. Hobby Airport handled 1,248,995 passengers in July 2026, down 6.9% on a year earlier, according to the US BTS.

Flights (arrivals + departures) over time

The most recent periods19 periods
PeriodFlights (arrivals + departures) 2025Flights (arrivals + departures) 2026Change vs last year
January8,4908,746▲ 3.0%
February8,4638,388▼ 0.9%
March10,2519,992▼ 2.5%
April9,9989,662▼ 3.4%
May10,2249,821▼ 3.9%
June10,7419,970▼ 7.2%
July11,10510,438▼ 6.0%
August10,074––
September9,645––
October10,559–in progress
November9,811––
December10,029––
Year to date (Jan–Jul)69,27267,017▼ 3.3%

Passengers over time

Full count · domestic + international
The most recent periods19 periods
PeriodPassengers 2025Passengers 2026Change vs last year
January921,013877,126▼ 4.8%
February909,105875,073▼ 3.7%
March1,186,3471,146,026▼ 3.4%
April1,120,1391,041,571▼ 7.0%
May1,223,9131,171,957▼ 4.2%
June1,308,8091,222,788▼ 6.6%
July1,341,7781,248,995▼ 6.9%
August1,148,202––
September1,087,913––
October1,243,541–in progress
November1,054,467––
December1,131,455––
Year to date (Jan–Jul)8,011,1047,583,536▼ 5.3%

Tonnes of cargo over time

Full count · domestic + international
The most recent periods19 periods
PeriodTonnes of cargo 2025Tonnes of cargo 2026Change vs last year
January691694▲ 0.3%
February723721▼ 0.4%
March800857▲ 7.1%
April930945▲ 1.7%
May1,076947▼ 11.9%
June922933▲ 1.2%
July9569560.0%
August936––
September899––
October918–in progress
November728––
December800––
Year to date (Jan–Jul)6,0986,053▼ 0.7%

Seats offered over time

Full count · domestic + international
The most recent periods19 periods
PeriodSeats offered 2025Seats offered 2026Change vs last year
January1,301,8041,348,013▲ 3.5%
February1,293,5231,276,281▼ 1.3%
March1,581,0521,544,552▼ 2.3%
April1,542,7911,484,754▼ 3.8%
May1,583,8021,515,328▼ 4.3%
June1,673,7621,542,720▼ 7.8%
July1,738,8501,619,254▼ 6.9%
August1,563,931––
September1,493,533––
October1,632,771–in progress
November1,527,085––
December1,566,745––
Year to date (Jan–Jul)10,715,58410,330,902▼ 3.6%

Domestic / International

July 2026
  • Domestic 93.6% 9,767
  • International 6.4% 671

Domestic / International — flights (arrivals + departures)

Full count · domestic + international

Domestic

The most recent periods19 periods
PeriodFlights (arrivals + departures) 2025Flights (arrivals + departures) 2026Change vs last year
January7,9428,178▲ 3.0%
February7,9417,863▼ 1.0%
March9,5929,368▼ 2.3%
April9,4309,122▼ 3.3%
May9,6639,285▼ 3.9%
June10,0339,264▼ 7.7%
July10,3659,767▼ 5.8%
August9,573––
September9,205––
October10,089–in progress
November9,261––
December9,461––
Year to date (Jan–Jul)64,96662,847▼ 3.3%

International

The most recent periods19 periods
PeriodFlights (arrivals + departures) 2025Flights (arrivals + departures) 2026Change vs last year
January548568▲ 3.6%
February522525▲ 0.6%
March659624▼ 5.3%
April568540▼ 4.9%
May561536▼ 4.5%
June708706▼ 0.3%
July740671▼ 9.3%
August501––
September440––
October470–in progress
November550––
December568––
Year to date (Jan–Jul)4,3064,170▼ 3.2%

Domestic / International — passengers

Full count · domestic + international

Domestic

The most recent periods19 periods
PeriodPassengers 2025Passengers 2026Change vs last year
January852,590815,719▼ 4.3%
February845,764820,083▼ 3.0%
March1,100,0041,084,718▼ 1.4%
April1,050,636983,760▼ 6.4%
May1,148,6251,107,805▼ 3.6%
June1,211,0771,128,170▼ 6.8%
July1,238,0861,153,345▼ 6.8%
August1,085,921––
September1,038,413––
October1,189,260–in progress
November998,036––
December1,071,888––
Year to date (Jan–Jul)7,446,7827,093,600▼ 4.7%

International

The most recent periods19 periods
PeriodPassengers 2025Passengers 2026Change vs last year
January68,42361,407▼ 10.3%
February63,34154,990▼ 13.2%
March86,34361,308▼ 29.0%
April69,50357,811▼ 16.8%
May75,28864,152▼ 14.8%
June97,73294,618▼ 3.2%
July103,69295,650▼ 7.8%
August62,281––
September49,500––
October54,281–in progress
November56,431––
December59,567––
Year to date (Jan–Jul)564,322489,936▼ 13.2%

Domestic / International — tonnes of cargo

Full count · domestic + international

Domestic

The most recent periods19 periods
PeriodTonnes of cargo 2025Tonnes of cargo 2026Change vs last year
January690684▼ 0.9%
February720712▼ 1.2%
March797844▲ 6.0%
April924935▲ 1.1%
May1,069919▼ 14.0%
June911923▲ 1.3%
July942949▲ 0.7%
August929––
September886––
October904–in progress
November721––
December792––
Year to date (Jan–Jul)6,0545,967▼ 1.4%

International

The most recent periods19 periods
PeriodTonnes of cargo 2025Tonnes of cargo 2026Change vs last year
January19▲ 695.8%
February39▲ 213.0%
March312▲ 259.1%
April611▲ 85.5%
May728▲ 292.3%
June1110▼ 8.3%
July147▼ 47.5%
August8––
September13––
October14–in progress
November8––
December8––
Year to date (Jan–Jul)4586▲ 92.3%

Domestic / International — seats offered

Full count · domestic + international

Domestic

The most recent periods19 periods
PeriodSeats offered 2025Seats offered 2026Change vs last year
January1,218,0271,265,776▲ 3.9%
February1,214,0541,201,148▼ 1.1%
March1,476,4401,452,252▼ 1.6%
April1,450,9431,403,461▼ 3.3%
May1,493,5991,435,271▼ 3.9%
June1,559,4451,431,224▼ 8.2%
July1,619,5061,512,493▼ 6.6%
August1,487,711––
September1,428,839––
October1,562,672–in progress
November1,445,151––
December1,482,259––
Year to date (Jan–Jul)10,032,0149,701,625▼ 3.3%

International

The most recent periods19 periods
PeriodSeats offered 2025Seats offered 2026Change vs last year
January83,77782,237▼ 1.8%
February79,46975,133▼ 5.5%
March104,61292,300▼ 11.8%
April91,84881,293▼ 11.5%
May90,20380,057▼ 11.2%
June114,317111,496▼ 2.5%
July119,344106,761▼ 10.5%
August76,220––
September64,694––
October70,099–in progress
November81,934––
December84,486––
Year to date (Jan–Jul)683,570629,277▼ 7.9%

Load factor (computed)

Full count · domestic + international

Passengers ÷ seats offered, both as reported by the US BTS for the same months. Computed by us; the two source series are shown on this page.

The most recent periods19 periods
PeriodLoad factor 2025Load factor 2026Change vs last year
January70.7%65.1%▼ 8.0%
February70.3%68.6%▼ 2.4%
March75.0%74.2%▼ 1.1%
April72.6%70.2%▼ 3.4%
May77.3%77.3%▲ 0.1%
June78.2%79.3%▲ 1.4%
July77.2%77.1%0.0%
August73.4%––
September72.8%––
October76.2%–in progress
November69.1%––
December72.2%––
Year-to-date average (Jan–Jul)74.5%73.1%▼ 1.8%

Seasonality · flights (arrivals + departures) by month

Year JanFebMarAprMayJunJulAugSepOctNovDec
2024 9,898 9,198 10,824 10,690 10,782 11,223 11,031 10,102 9,486 10,415 9,831 10,054
2025 8,490 8,463 10,251 9,998 10,224 10,741 11,105 10,074 9,645 10,559 9,811 10,029
2026 8,746 8,388 9,992 9,662 9,821 9,970 10,438
International share 6% of flights (arrivals + departures) in July 2026
Series depth 36 years from 1990

Busiest destinations

Flights recorded between Oct 12, 2024 and Jul 31, 2026, counted from flight records published by the US BTS. Not a current timetable.

On-time departures by month

US domestic sectors recorded by BTS

64.8% of 4,726 timed departures from William P. Hobby Airport left within 15 minutes of schedule in July 2026, according to the US BTS. Cancelled flights are excluded.

The most recent periods19 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January83.9%86.1%▲ 2.6%
February83.1%82.6%▼ 0.6%
March81.5%64.3%▼ 21.1%
April77.9%74.6%▼ 4.2%
May75.2%66.1%▼ 12.1%
June66.3%61.8%▼ 6.8%
July67.8%64.8%▼ 4.4%
August77.6%––
September85.8%––
October77.0%–in progress
November77.5%––
December78.1%––
Year-to-date average (Jan–Jul)76.5%71.5%▼ 6.6%

Flight timing & delays

Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.

US domestic sectors recorded by BTS

Source: the US BTS · Oct 12, 2024 → Jul 31, 2026

Lowest average delay06:00–07:000.5min · 4,411 recorded · 4,345 measured
Gap to highest-delay hour21.1min06:00 ↔ 19:00
Recorded flights98,300William P. Hobby Airport

Departure hour

On-time departures Partial coverage: domestic flights only

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: domestic flights only

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Recorded flights Partial coverage: domestic flights only

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View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00Fewer than 200 measured departures—01
01:00No observations———
02:00No observations———
03:00No observations———
04:00No observations———
05:0094.6%0.9 min3,6023,627
06:0095.5%0.5 min4,3454,411
07:0092.3%2.2 min4,6724,706
08:0090.1%3.3 min9,0959,184
09:0088.8%5.8 min4,3204,370
10:0085.0%6.9 min6,8766,981
11:0081.5%10.0 min5,9646,040
12:0074.9%14.7 min5,0635,125
13:0076.4%12.9 min5,0265,074
14:0068.1%17.6 min6,3196,365
15:0068.2%17.4 min4,9875,018
16:0069.4%18.2 min4,9084,953
17:0065.8%19.3 min4,5784,614
18:0068.2%17.7 min6,5556,664
19:0060.0%21.6 min4,8384,869
20:0064.3%18.1 min7,8337,935
21:0062.5%19.5 min3,9723,998
22:0060.4%21.2 min4,3284,364
23:00Fewer than 200 measured departures—11

Day of week

On-time departures Partial coverage: domestic flights only

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: domestic flights only

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: domestic flights only

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View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday74.6%14.1 min14,52614,657
Tuesday80.5%9.7 min13,11313,327
Wednesday78.0%11.1 min13,09913,215
Thursday74.7%13.0 min14,44414,565
Friday75.5%12.8 min14,54014,685
Saturday76.2%12.3 min12,64412,746
Sunday72.8%14.6 min14,91615,105

Month of year

Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.

On-time departures Partial coverage: domestic flights only

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: domestic flights only

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: domestic flights only

Hover, tap or focus a point to see its value, sample and source.

View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
Jan85.0%5.7 min7,8408,203
Feb82.9%7.3 min7,6747,715
Mar73.0%14.2 min9,1699,272
Apr76.3%12.4 min9,0079,042
May70.8%15.9 min9,1979,275
Jun64.1%20.9 min9,3469,446
Jul66.4%19.8 min9,7799,866
Aug77.6%12.0 min4,6234,640
Sep85.8%5.2 min4,4474,452
Oct79.6%10.0 min8,0208,049
Nov82.0%8.3 min8,9569,073
Dec77.7%12.5 min9,2249,267

Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.

Recorded outcomes

  • On time 75.1% 73,865
  • Delayed >15 min 23.8% 23,417
  • Cancelled 1.0% 1,018
  • Missing departure time 0.0% 0

All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.

On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.

Environment

Airport Carbon Accreditation

Level 3 William P. Hobby Airport holds Airport Carbon Accreditation Level 3 (status checked October 2026), according to the programme's public list.

A certification of how the airport operator manages its own carbon emissions (levels 1–5, "+" = with offsetting). It is not a measure of how much the airport or its flights emit.

Airport Carbon Accreditation (ACI)

Air pollutants at the airport (EPA estimate)

Modelled estimate, not a measurement: aircraft below 3,000 ft (landing and take-off), ground support equipment and auxiliary power units, plus any stationary sources the state reported at the airport site. Cruise emissions are not included.

In 2023, the US EPA estimated 677 tonnes of nitrogen oxides (NOₓ) and 8.6 tonnes of fine particles (PM2.5) from activity at William P. Hobby Airport, according to the EPA National Emissions Inventory.

PollutantUnit201720202023
NOₓ (Nitrogen oxides)tonnes615189677
CO (Carbon monoxide)tonnes1,223569696
SO₂ (Sulphur dioxide)tonnes71.126.761.5
VOC (Volatile organic compounds)tonnes124158101
PM2.5 (Fine particles)tonnes11.37.28.6
PM10 (Particulate matter)tonnes12.47.88.6
Leadkg16586.87.3
CO₂ (Carbon dioxide)tonnes182,70376,549—

The inventory is published every three years. Coverage changes between editions (about 19,300 airport sites in 2017, 6,000 in 2020, 12,700 in 2023), 2020 reflects the pandemic drop in traffic, and EPA updates its aircraft model between editions — so the columns are not a trend (Los Angeles: 3,562 tonnes of NOₓ in 2017, 8,810 in 2023). CO₂ is only reported for some sites in 2017, for all sites in 2020, and not at all in 2023. EPA publishes US customary units; converted here to metric tonnes (× 0.907) and, for lead, kilograms.

US EPA — National Emissions Inventory

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