George Bush Intercontinental/Houston in November 2024

84.2%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 2024, reporting carriers scheduled 9,576 domestic departures from George Bush Intercontinental/Houston (IAH). 84.2% left less than 15 minutes late and 83.9% reached their destination on time; 0.2% were cancelled.

Nationally that month, 85.2% of flights departed on time and 84.8% arrived on time, so IAH departures were 1.0 points below the national departure figure.

A year earlier, in November 2023, the airport had 9,019 departures with 87.2% leaving on time: a change of −3.0 points, with flights up 6%.

Flights arriving at IAH that month were on time 85.8% of the time (9,580 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 39%, late-arriving aircraft 34% and national aviation system 22%.

On time 83.9%
Arrived 15+ minutes late 15.8%
Cancelled 0.2%
Diverted 0.1%

Every scheduled departure from IAH in November 2024, judged by arrival at the destination.

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

Measure	Nov 2024	Nov 2023	IAH, 12 months to Jul 2026	All reported flights, Nov 2024
Departed on time	84.2%	87.2%	78.1%	85.2%
Arrived on time	83.9%	86.3%	77.6%	84.8%
Cancelled	0.2%	0.0%	1.1%	0.5%
Average departure delay (late minutes only)	11.2 min	8.9 min	17.2 min	10.2 min
Scheduled departures a day	319	301	326	19,180
Scheduled departures	9,576	9,019	119,020	575,404

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	5,696	59%	83.8%	1.3 min	0.1%
OO SkyWest Airlines	1,257	13%	82.2%	7.2 min	0.3%
NK Spirit Airlines	840	9%	87.9%	-1.6 min	0.0%
DL Delta Air Lines	633	7%	88.9%	-5.2 min	0.2%
AA American Airlines	567	6%	85.4%	1.1 min	1.4%
F9 Frontier Airlines	330	3%	71.2%	19.7 min	0.6%
MQ Envoy Air	121	1%	82.6%	-0.5 min	1.7%
B6 JetBlue Airways	64	1%	76.6%	0.3 min	0.0%
AS Alaska Airlines	53	1%	84.9%	-3.5 min	0.0%
OH PSA Airlines	14	0%	85.7%	-13.1 min	0.0%
YX Republic Airline	1	0%	100.0%	-4.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
IAH–DFW	Houston to Dallas/Fort Worth	469	81.9%	8.4 min	2.1%
IAH–LAX	Houston to Los Angeles	463	87.0%	-0.5 min	0.0%
IAH–ORD	Houston to Chicago	454	87.0%	-3.4 min	0.0%
IAH–ATL	Houston to Atlanta	402	82.1%	4.2 min	0.5%
IAH–DEN	Houston to Denver	385	81.6%	4.2 min	0.3%
IAH–LGA	Houston to New York	374	84.5%	-1.7 min	0.3%
IAH–LAS	Houston to Las Vegas	365	85.5%	-0.2 min	0.0%
IAH–EWR	Houston to Newark	326	71.2%	8.2 min	0.0%
IAH–MCO	Houston to Orlando	325	87.7%	-6.1 min	0.0%
IAH–MIA	Houston to Miami	304	82.2%	0.8 min	0.3%
IAH–SFO	Houston to San Francisco	268	69.4%	19.9 min	0.0%
IAH–MSY	Houston to New Orleans	257	89.1%	-1.6 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 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2024	Minutes
Air carrier	38.7%	36.9%	36,985
Late-arriving aircraft	33.9%	35.6%	32,469
National Aviation System	22.1%	21.9%	21,184
Extreme weather	5.2%	5.4%	4,945
Security	0.1%	0.2%	57

95,640 delay minutes on 1,513 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 IAH on time in November 2024?

84.2% of 9,576 scheduled domestic departures left less than 15 minutes late, and 83.9% reached their destination on time. The national figures that month were 85.2% and 84.8%.

How does that compare with a year earlier?

In November 2023, 87.2% of 9,019 departures left on time and 0.0% were cancelled, against 84.2% and 0.2% in November 2024.

Provenance

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