William P Hobby in June 2024

66.8%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In June 2024, reporting carriers scheduled 5,075 domestic departures from William P Hobby (HOU). 66.8% left less than 15 minutes late and 72.3% reached their destination on time; 0.6% were cancelled.

Nationally that month, 73.7% of flights departed on time and 73.9% arrived on time, so HOU departures were 6.9 points below the national departure figure.

Flights arriving at HOU that month were on time 73.2% of the time (5,075 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 49%, air carrier 32% and national aviation system 13%.

On time 72.3%
Arrived 15+ minutes late 26.9%
Cancelled 0.6%
Diverted 0.2%

Every scheduled departure from HOU in June 2024, judged by arrival at the destination.

June 2024 against a year earlier, the airport's year and the nation

Measure	Jun 2024	Year earlier	HOU, 12 months to Jul 2026	All reported flights, Jun 2024
Departed on time	66.8%	—	72.7%	73.7%
Arrived on time	72.3%	—	76.0%	73.9%
Cancelled	0.6%	—	0.9%	1.3%
Average departure delay (late minutes only)	20.6 min	—	15.0 min	19.7 min
Scheduled departures a day	169	—	148	20,371
Scheduled departures	5,075	—	53,894	611,132

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	4,648	92%	71.9%	11.4 min	0.5%
MQ Envoy Air	149	3%	62.4%	20.7 min	4.0%
DL Delta Air Lines	144	3%	90.3%	-4.2 min	0.0%
OH PSA Airlines	52	1%	82.7%	9.3 min	0.0%
G4 Allegiant Air	43	1%	65.1%	44.8 min	2.3%
F9 Frontier Airlines	39	1%	82.1%	2.0 min	2.6%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
HOU–DAL	Houston to Dallas	341	73.0%	10.5 min	1.8%
HOU–ATL	Houston to Atlanta	275	85.5%	0.0 min	0.0%
HOU–DEN	Houston to Denver	241	75.9%	6.9 min	0.4%
HOU–DFW	Houston to Dallas/Fort Worth	201	67.7%	17.7 min	3.0%
HOU–PHX	Houston to Phoenix	193	73.1%	10.8 min	0.0%
HOU–MCO	Houston to Orlando	184	65.2%	20.7 min	1.6%
HOU–LAS	Houston to Las Vegas	180	71.1%	13.6 min	0.0%
HOU–MSY	Houston to New Orleans	176	78.4%	6.7 min	0.0%
HOU–MDW	Houston to Chicago	164	74.4%	10.8 min	0.0%
HOU–BNA	Houston to Nashville	145	77.2%	4.6 min	0.7%
HOU–STL	Houston to St. Louis	139	81.3%	7.6 min	0.0%
HOU–SAT	Houston to San Antonio	136	68.4%	17.6 min	0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), June 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2024	Minutes
Air carrier	32.0%	34.4%	26,835
Late-arriving aircraft	48.6%	41.5%	40,747
National Aviation System	13.1%	17.8%	10,958
Extreme weather	5.7%	6.0%	4,788
Security	0.7%	0.2%	555

83,883 delay minutes on 1,364 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left HOU on time in June 2024?

66.8% of 5,075 scheduled domestic departures left less than 15 minutes late, and 72.3% reached their destination on time. The national figures that month were 73.7% and 73.9%.

How does that compare with a year earlier?

June 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for HOU · methodology · corrections.