George Bush Intercontinental/Houston in February 2025

79.7%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 February 2025, reporting carriers scheduled 8,470 domestic departures from George Bush Intercontinental/Houston (IAH). 79.7% left less than 15 minutes late and 80.6% reached their destination on time; 0.4% were cancelled.

Nationally that month, 79.2% of flights departed on time and 77.9% arrived on time, so IAH departures were 0.5 points above the national departure figure.

A year earlier, in February 2024, the airport had 8,464 departures with 85.7% leaving on time: a change of −6.0 points, with flights up 0%.

Flights arriving at IAH that month were on time 81.4% of the time (8,461 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 35%, late-arriving aircraft 34% and national aviation system 21%.

On time 80.6%
Arrived 15+ minutes late 18.9%
Cancelled 0.4%
Diverted 0.1%

Every scheduled departure from IAH in February 2025, judged by arrival at the destination.

February 2025 against a year earlier, the airport's year and the nation

Measure	Feb 2025	Feb 2024	IAH, 12 months to Jul 2026	All reported flights, Feb 2025
Departed on time	79.7%	85.7%	78.1%	79.2%
Arrived on time	80.6%	84.3%	77.6%	77.9%
Cancelled	0.4%	0.2%	1.1%	1.5%
Average departure delay (late minutes only)	16.2 min	9.7 min	17.2 min	15.3 min
Scheduled departures a day	282	282	326	16,830
Scheduled departures	8,470	8,464	119,020	504,884

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	5,349	63%	81.8%	1.0 min	0.2%
OO SkyWest Airlines	969	11%	73.6%	13.6 min	1.4%
NK Spirit Airlines	561	7%	82.9%	-0.2 min	0.2%
DL Delta Air Lines	550	6%	87.3%	-3.6 min	0.2%
AA American Airlines	508	6%	79.9%	30.8 min	0.8%
F9 Frontier Airlines	304	4%	72.0%	17.2 min	1.3%
MQ Envoy Air	70	1%	81.4%	5.8 min	2.9%
AS Alaska Airlines	56	1%	73.2%	6.4 min	0.0%
YX Republic Airline	51	1%	70.6%	12.6 min	2.0%
B6 JetBlue Airways	42	0%	61.9%	25.0 min	0.0%
OH PSA Airlines	10	0%	30.0%	175.9 min	10.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
IAH–DFW	Houston to Dallas/Fort Worth	456	80.3%	18.3 min	0.4%
IAH–LAX	Houston to Los Angeles	412	87.4%	-8.5 min	0.2%
IAH–ORD	Houston to Chicago	390	82.6%	0.8 min	0.5%
IAH–DEN	Houston to Denver	336	81.0%	4.0 min	0.0%
IAH–ATL	Houston to Atlanta	316	80.7%	3.1 min	0.0%
IAH–LGA	Houston to New York	304	79.3%	2.0 min	1.0%
IAH–LAS	Houston to Las Vegas	296	90.2%	0.5 min	0.0%
IAH–EWR	Houston to Newark	290	80.3%	-2.7 min	0.3%
IAH–MIA	Houston to Miami	274	75.9%	26.5 min	0.0%
IAH–MCO	Houston to Orlando	262	80.5%	6.3 min	0.0%
IAH–PHX	Houston to Phoenix	257	85.6%	-2.5 min	0.8%
IAH–MSY	Houston to New Orleans	247	80.6%	2.5 min	0.4%

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), February 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Feb 2025	Minutes
Air carrier	35.3%	33.9%	42,654
Late-arriving aircraft	33.9%	36.9%	40,951
National Aviation System	20.5%	22.5%	24,751
Extreme weather	10.3%	6.6%	12,484
Security	0.1%	0.1%	105

120,945 delay minutes on 1,598 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 February 2025?

79.7% of 8,470 scheduled domestic departures left less than 15 minutes late, and 80.6% reached their destination on time. The national figures that month were 79.2% and 77.9%.

How does that compare with a year earlier?

In February 2024, 85.7% of 8,464 departures left on time and 0.2% were cancelled, against 79.7% and 0.4% in February 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for February 2025; 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.