William P Hobby in January 2024

72.8%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 January 2024, reporting carriers scheduled 4,605 domestic departures from William P Hobby (HOU). 72.8% left less than 15 minutes late and 74.3% reached their destination on time; 2.1% were cancelled.

Nationally that month, 74.0% of flights departed on time and 72.9% arrived on time, so HOU departures were 1.2 points below the national departure figure.

Flights arriving at HOU that month were on time 73.8% of the time (4,606 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 48%, air carrier 24% and national aviation system 22%.

On time 74.3%
Arrived 15+ minutes late 23.5%
Cancelled 2.1%
Diverted 0.2%

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

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

Measure	Jan 2024	Year earlier	HOU, 12 months to Jul 2026	All reported flights, Jan 2024
Departed on time	72.8%	—	72.7%	74.0%
Arrived on time	74.3%	—	76.0%	72.9%
Cancelled	2.1%	—	0.9%	3.7%
Average departure delay (late minutes only)	16.0 min	—	15.0 min	18.7 min
Scheduled departures a day	154	—	148	18,242
Scheduled departures	4,605	—	53,894	547,271

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	4,260	93%	74.5%	9.1 min	1.9%
MQ Envoy Air	145	3%	73.1%	11.6 min	6.2%
DL Delta Air Lines	108	2%	78.7%	24.2 min	0.0%
F9 Frontier Airlines	37	1%	70.3%	10.6 min	5.4%
G4 Allegiant Air	28	1%	53.6%	14.1 min	7.1%
OO SkyWest Airlines	27	1%	48.1%	27.0 min	7.4%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
HOU–DAL	Houston to Dallas	344	72.7%	6.3 min	3.8%
HOU–DEN	Houston to Denver	246	78.0%	4.0 min	3.3%
HOU–ATL	Houston to Atlanta	245	78.0%	15.4 min	0.4%
HOU–MSY	Houston to New Orleans	197	74.6%	10.1 min	0.0%
HOU–MCO	Houston to Orlando	176	78.4%	8.8 min	1.1%
HOU–DFW	Houston to Dallas/Fort Worth	172	69.2%	14.0 min	6.4%
HOU–PHX	Houston to Phoenix	164	70.1%	11.4 min	0.6%
HOU–LAS	Houston to Las Vegas	153	74.5%	9.0 min	0.0%
HOU–SAT	Houston to San Antonio	151	72.8%	11.8 min	1.3%
HOU–AUS	Houston to Austin	143	72.7%	11.3 min	2.1%
HOU–BNA	Houston to Nashville	143	74.1%	8.8 min	6.3%
HOU–MDW	Houston to Chicago	128	69.5%	8.9 min	7.8%

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), January 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2024	Minutes
Air carrier	24.2%	32.6%	16,394
Late-arriving aircraft	48.0%	39.0%	32,561
National Aviation System	21.7%	17.9%	14,711
Extreme weather	5.4%	10.3%	3,670
Security	0.7%	0.2%	503

67,839 delay minutes on 1,083 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 January 2024?

72.8% of 4,605 scheduled domestic departures left less than 15 minutes late, and 74.3% reached their destination on time. The national figures that month were 74.0% and 72.9%.

How does that compare with a year earlier?

January 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 January 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.