On-Time Report

Airports › Houston (HOU) › January 2026

Airport month · January 2026

William P Hobby in January 2026

83.2%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 January 2026, reporting carriers scheduled 4,081 domestic departures from William P Hobby (HOU). 83.2% left less than 15 minutes late and 85.6% reached their destination on time; 2.5% were cancelled.

Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so HOU departures were 7.6 points above the national departure figure.

A year earlier, in January 2025, the airport had 4,122 departures with 77.9% leaving on time: a change of +5.3 points, with flights down 1%.

Flights arriving at HOU that month were on time 85.2% of the time (4,079 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 40%, late-arriving aircraft 36% and national aviation system 20%.

Every scheduled departure from HOU in January 2026, judged by arrival at the destination.

January 2026 against a year earlier, the airport's year and the nation

MeasureJan 2026Jan 2025HOU, 12 months to Jul 2026All reported flights, Jan 2026
Departed on time83.2%77.9%72.7%75.6%
Arrived on time85.6%81.2%76.0%75.3%
Cancelled2.5%6.3%0.9%4.7%
Average departure delay (late minutes only)7.4 min9.7 min15.0 min16.7 min
Scheduled departures a day13613714818,133
Scheduled departures4,0814,12253,894544,003

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
WN Southwest Airlines3,80693%86.2%-4.0 min2.3%
DL Delta Air Lines962%80.2%1.4 min3.1%
OH PSA Airlines872%77.0%9.8 min12.6%
MQ Envoy Air642%79.7%3.9 min4.7%
OO SkyWest Airlines160%75.0%-10.9 min6.3%
G4 Allegiant Air120%58.3%22.5 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
HOU–DALHouston to Dallas34285.1%-6.3 min7.6%
HOU–ATLHouston to Atlanta21981.3%-0.6 min2.7%
HOU–DENHouston to Denver19689.8%-4.4 min0.0%
HOU–MSYHouston to New Orleans18588.1%-4.9 min0.0%
HOU–PHXHouston to Phoenix16886.3%-4.5 min0.6%
HOU–DFWHouston to Dallas/Fort Worth16777.8%5.4 min9.0%
HOU–LASHouston to Las Vegas16590.3%-8.5 min0.0%
HOU–MCOHouston to Orlando14987.9%-3.2 min0.0%
HOU–AUSHouston to Austin14285.9%-1.1 min2.1%
HOU–BNAHouston to Nashville13686.0%-4.1 min5.1%
HOU–MDWHouston to Chicago12983.7%0.7 min0.8%
HOU–LGAHouston to New York11679.3%1.4 min4.3%

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 2026.

Delay causes

BTS cause categoryShare of delay minutesNational, Jan 2026Minutes
Air carrier39.6%37.3%8,244
Late-arriving aircraft36.4%35.0%7,574
National Aviation System20.4%18.0%4,257
Extreme weather3.1%9.6%648
Security0.5%0.1%96
20,819 delay minutes on 475 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← December 2025February 2026 →

Questions and answers

How many flights left HOU on time in January 2026?

83.2% of 4,081 scheduled domestic departures left less than 15 minutes late, and 85.6% reached their destination on time. The national figures that month were 75.6% and 75.3%.

How does that compare with a year earlier?

In January 2025, 77.9% of 4,122 departures left on time and 6.3% were cancelled, against 83.2% and 2.5% in January 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2026; 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.