William P Hobby in November 2023

84.4%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 November 2023, reporting carriers scheduled 4,887 domestic departures from William P Hobby (HOU). 84.4% left less than 15 minutes late and 87.3% reached their destination on time; 0.0% were cancelled.

Nationally that month, 86.0% of flights departed on time and 86.2% arrived on time, so HOU departures were 1.6 points below the national departure figure.

Flights arriving at HOU that month were on time 87.4% of the time (4,888 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, air carrier 36% and national aviation system 21%.

On time 87.3%
Arrived 15+ minutes late 12.6%
Cancelled 0.0%
Diverted 0.1%

Every scheduled departure from HOU in November 2023, judged by arrival at the destination.

November 2023 against a year earlier, the airport's year and the nation

Measure	Nov 2023	Year earlier	HOU, 12 months to Jul 2026	All reported flights, Nov 2023
Departed on time	84.4%	—	72.7%	86.0%
Arrived on time	87.3%	—	76.0%	86.2%
Cancelled	0.0%	—	0.9%	0.1%
Average departure delay (late minutes only)	6.9 min	—	15.0 min	9.4 min
Scheduled departures a day	163	—	148	18,793
Scheduled departures	4,887	—	53,894	563,777

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	4,522	93%	87.3%	-1.8 min	0.0%
DL Delta Air Lines	135	3%	96.3%	-12.7 min	0.0%
MQ Envoy Air	118	2%	90.7%	-0.5 min	0.0%
OO SkyWest Airlines	43	1%	76.7%	4.6 min	0.0%
G4 Allegiant Air	37	1%	73.0%	6.2 min	0.0%
F9 Frontier Airlines	32	1%	68.8%	12.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
HOU–DAL	Houston to Dallas	332	90.7%	-3.8 min	0.0%
HOU–ATL	Houston to Atlanta	302	93.7%	-6.9 min	0.0%
HOU–DEN	Houston to Denver	240	87.9%	-3.3 min	0.8%
HOU–MSY	Houston to New Orleans	202	89.6%	-3.3 min	0.0%
HOU–MCO	Houston to Orlando	191	80.1%	1.0 min	0.0%
HOU–PHX	Houston to Phoenix	174	79.9%	2.1 min	0.0%
HOU–LAS	Houston to Las Vegas	172	93.0%	-6.2 min	0.0%
HOU–DFW	Houston to Dallas/Fort Worth	161	87.0%	0.9 min	0.0%
HOU–SAT	Houston to San Antonio	147	88.4%	-1.6 min	0.0%
HOU–MDW	Houston to Chicago	146	89.0%	-3.1 min	0.0%
HOU–AUS	Houston to Austin	145	87.6%	2.5 min	0.0%
HOU–BNA	Houston to Nashville	145	87.6%	-2.6 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), November 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2023	Minutes
Air carrier	36.0%	42.5%	7,767
Late-arriving aircraft	40.7%	37.3%	8,786
National Aviation System	20.7%	16.2%	4,479
Extreme weather	1.9%	3.7%	408
Security	0.7%	0.3%	156

21,596 delay minutes on 617 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 November 2023?

84.4% of 4,887 scheduled domestic departures left less than 15 minutes late, and 87.3% reached their destination on time. The national figures that month were 86.0% and 86.2%.

How does that compare with a year earlier?

November 2022 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 November 2023; 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.