ON TIMEBOARD
SJC San Jose / HOU Houston

SJC → HOU on time

San Jose (San Jose, CA) to Houston Hobby (Houston, TX). Every scheduled flight, September 2025 to August 2026.

On time
89%
arrived < 15 min late
Cancelled
0.3%
365 flights
Typical arrival
−4 min
median vs schedule
When late
+30 min
average delay
Flights / day
1
1 airline

89% of flights from San Jose to Houston arrived on time over the past 12 months. That is better than the typical U.S. route. 2% 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 SJC → HOU: when a flight was late, it was under 45 minutes late 86% of the time. About 1 in 122 flights landed an hour or more late; 0.3% were cancelled outright.

Share of all 365 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines36589%0.3%−4 min0.8%+30 minSouthwest Airlines

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 SJC). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: 98% on time (108 flights)986a7 a.m. departures: too few flights (83 flights)7a8 a.m. departures: too few flights (65 flights)8a9 a.m. departures: too few flights (31 flights)9a10 a.m. departures: too few flights (1 flights)10a11 a.m. departures: too few flights (19 flights)11anoon departures: too few flights (41 flights)12p
SJC → HOU, 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

By month

Each calendar month pooled over 2023–2026.

40%70%100%Jan: too few flights (93 flights)JanFeb: too few flights (85 flights)FebMar: too few flights (94 flights)MarApr: too few flights (90 flights)AprMay: too few flights (93 flights)MayJun: too few flights (90 flights)JunJul: too few flights (93 flights)JulAug: too few flights (93 flights)AugSep: too few flights (89 flights)SepOct: too few flights (92 flights)OctNov: too few flights (90 flights)NovDec: too few flights (93 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday53——
Tuesday52——
Wednesday53——
Thursday52——
Friday51——
Saturday52——
Sunday52——

Why flights were late

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

Airline (crew, maintenance, ops) 38%Air traffic & airport (NAS) 32%Late inbound plane 30%

Cancellations: airline 1

Month by month

Not enough months with data to draw a trend.

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of San Jose or Houston. None has been clearly more reliable than SJC → HOU.

RouteFlightsOn timeCancelled
SJC → HOU (this route)36589%0.3%
SFO → IAH San Francisco to Houston Bush Intercontinental3,57884%0.3%
OAK → HOU Oakland to Houston Hobby37675%0.5%

Questions

How often are flights from SJC to HOU on time?

89% of 365 scheduled flights from San Jose, CA to Houston, TX arrived within 15 minutes of schedule between September 2025 and August 2026. 0.3% were cancelled.

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.