On-Time Report

Airports › Houston (HOU) › June 2025

Airport month · June 2025

William P Hobby in June 2025

64.3%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 2025, reporting carriers scheduled 4,932 domestic departures from William P Hobby (HOU). 64.3% left less than 15 minutes late and 66.6% reached their destination on time; 1.5% were cancelled.

Nationally that month, 71.4% of flights departed on time and 70.3% arrived on time, so HOU departures were 7.1 points below the national departure figure.

A year earlier, in June 2024, the airport had 5,075 departures with 66.8% leaving on time: a change of −2.5 points, with flights down 3%.

Flights arriving at HOU that month were on time 69.1% of the time (4,932 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 48%, air carrier 27% and national aviation system 16%.

Every scheduled departure from HOU in June 2025, judged by arrival at the destination.

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

MeasureJun 2025Jun 2024HOU, 12 months to Jul 2026All reported flights, Jun 2025
Departed on time64.3%66.8%72.7%71.4%
Arrived on time66.6%72.3%76.0%70.3%
Cancelled1.5%0.6%0.9%1.6%
Average departure delay (late minutes only)21.6 min20.6 min15.0 min22.1 min
Scheduled departures a day16416914820,386
Scheduled departures4,9325,07553,894611,575

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
WN Southwest Airlines4,55192%66.7%15.6 min1.2%
DL Delta Air Lines1363%68.4%13.2 min3.7%
MQ Envoy Air1333%69.9%20.5 min6.0%
OO SkyWest Airlines561%44.6%33.7 min7.1%
G4 Allegiant Air471%72.3%8.8 min0.0%
OH PSA Airlines90%77.8%14.0 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
HOU–DALHouston to Dallas33971.4%10.5 min2.7%
HOU–ATLHouston to Atlanta26866.4%18.8 min3.4%
HOU–DFWHouston to Dallas/Fort Worth19863.1%23.8 min6.1%
HOU–DENHouston to Denver19264.6%16.2 min1.0%
HOU–LASHouston to Las Vegas18473.4%8.7 min1.1%
HOU–MSYHouston to New Orleans18071.7%12.7 min1.1%
HOU–MDWHouston to Chicago17967.6%14.5 min1.7%
HOU–PHXHouston to Phoenix17669.9%14.0 min2.3%
HOU–MCOHouston to Orlando17372.8%13.7 min1.2%
HOU–BNAHouston to Nashville14667.8%12.5 min0.7%
HOU–STLHouston to St. Louis13976.3%6.6 min0.7%
HOU–AUSHouston to Austin12965.1%16.4 min0.8%

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), June 2025.

Delay causes

BTS cause categoryShare of delay minutesNational, Jun 2025Minutes
Air carrier26.5%31.6%24,734
Late-arriving aircraft48.4%40.6%45,137
National Aviation System15.6%20.9%14,528
Extreme weather9.0%6.9%8,343
Security0.5%0.2%421
93,163 delay minutes on 1,556 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← May 2025July 2025 →

Questions and answers

How many flights left HOU on time in June 2025?

64.3% of 4,932 scheduled domestic departures left less than 15 minutes late, and 66.6% reached their destination on time. The national figures that month were 71.4% and 70.3%.

How does that compare with a year earlier?

In June 2024, 66.8% of 5,075 departures left on time and 0.6% were cancelled, against 64.3% and 1.5% in June 2025.

Provenance

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