ON TIMEBOARD

IAH → VCT on time

Houston Bush Intercontinental (Houston, TX) to Victoria (Victoria, TX). Every scheduled flight, September 2025 to August 2026.

On time
74%
arrived < 15 min late
Cancelled
1.7%
639 flights
Typical arrival
−8 min
median vs schedule
When late
+222 min
average delay
Flights / day
2
1 airline

74% of flights from Houston to Victoria arrived on time over the past 12 months. That is worse than the typical U.S. route. 16% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for IAH → VCT: when a flight was late, it was under 45 minutes late 37% of the time. About 1 in 7 flights landed an hour or more late, and 1 in 15 three hours or more; 1.7% were cancelled outright.

Share of all 639 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
United Airlines63974%1.7%−8 min13.9%+222 minSkyWest

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at IAH). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%1 p.m. departures: too few flights (66 flights)1p2 p.m. departures: too few flights (72 flights)2p3 p.m. departures: too few flights (73 flights)3p4 p.m. departures: too few flights4p5 p.m. departures: too few flights (70 flights)5p6 p.m. departures: too few flights6p7 p.m. departures: too few flights7p8 p.m. departures: too few flights8p9 p.m. departures: too few flights (87 flights)9p10 p.m. departures: 73% on time (271 flights)7310p
IAH → VCT, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On IAH → VCT, each airline's last flight of the day was cancelled 2.5% of the time, against 1.1% for its earlier flights (2.3× as often). It arrived 3+ hours late 10.8% of the time (earlier flights: 2.5%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
United Airlines10:10 p.m.2.5%10.8%1.1%first flight 3:47 p.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

If you need to be in VCT tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: September (89%). Worst: June (63%).

40%70%100%Jan: 75% on time (160 flights)75JanFeb: 84% on time (148 flights)84FebMar: 71% on time (171 flights)71MarApr: 79% on time (154 flights)79AprMay: 69% on time (163 flights)69MayJun: 63% on time (158 flights)63JunJul: 70% on time (165 flights)70JulAug: 88% on time (112 flights)88AugSep: 89% on time (153 flights)89SepOct: 82% on time (161 flights)82OctNov: 87% on time (158 flights)87NovDec: 83% on time (163 flights)83Dec

By day of week

DayFlightsOn timeCancelled
Monday10470%1.9%
Tuesday63——
Wednesday10071%1.0%
Thursday99——
Friday10479%1.0%
Saturday65——
Sunday10472%2.9%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 63%Late inbound plane 22%Severe weather 12%Air traffic & airport (NAS) 3%

Cancellations: weather 7 · airline 2 · air traffic/airport 2

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
UA 50735:05 p.m.27370%1.1%−5 minSkyWest
UA 509210:10 p.m.35875%2.2%−10 minSkyWest

Questions

How often are flights from IAH to VCT on time?

74% of 639 scheduled flights from Houston, TX to Victoria, TX arrived within 15 minutes of schedule between September 2025 and August 2026. 1.7% were cancelled.

What month has the most delays from IAH to VCT?

June (63% on time). The best month is September (89%), over 2023–2026.

Is the last flight of the day from IAH to VCT more likely to be cancelled?

Yes. Each airline's last IAH–VCT flight of the day was cancelled 2.5% of the time over the past year, against 1.1% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.