Route · IAH → SJC · 2020–2025 BTS data
Houston to San Jose
The IAH–SJC corridor (Houston, TX → San Jose, CA) runs ahead of the national average, served by 6 carriers across roughly 1,608 miles.
Data updated 2026-06-13
- 81.8%
- On-time
- +2.8 pts
- vs US avg
- 67 min
- Delay when late
- 1,765
- Flights
Cancelled
1.1%
Best Month
N/A
Worst Month
N/A
Distance
1,608 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Nov 2025 | 30 | 3 | 0 | 0 | UA |
| Aug 2025 | 31 | 6 | 0 | 0 | UA |
| Jul 2025 | 30 | 5 | 0 | 0 | UA |
| Jun 2025 | 30 | 6 | 1 | 0 | UA |
| May 2025 | 31 | 5 | 0 | 0 | UA |
| Dec 2024 | 31 | 4 | 0 | 0 | UA |
| Nov 2024 | 30 | 9 | 0 | 0 | UA |
| Oct 2024 | 31 | 3 | 0 | 0 | UA |
| Sep 2024 | 30 | 6 | 0 | 0 | UA |
| Aug 2024 | 31 | 14 | 0 | 0 | UA |
| Jul 2024 | 31 | 15 | 1 | 0 | UA |
| Jun 2024 | 30 | 11 | 1 | 0 | UA |
| May 2024 | 31 | 17 | 1 | 0 | UA |
| Apr 2024 | 30 | 11 | 0 | 0 | UA |
| Mar 2024 | 30 | 5 | 1 | 0 | UA |
| Nov 2023 | 30 | 1 | 0 | 0 | UA |
| Oct 2023 | 31 | 2 | 0 | 0 | UA |
| Sep 2023 | 30 | 3 | 0 | 0 | UA |
| Aug 2023 | 31 | 3 | 0 | 0 | UA |
| Jul 2023 | 31 | 6 | 0 | 0 | UA |
| Jun 2023 | 30 | 4 | 1 | 0 | UA |
| May 2023 | 31 | 3 | 1 | 0 | UA |
| Apr 2023 | 30 | 3 | 1 | 0 | UA |
| Mar 2023 | 30 | 3 | 0 | 0 | UA |
Cancellation Rate
1.1%
8 of 731 flights
Diversion Rate
0.0%
0 of 731 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Origin airport →SJC - San Jose
Full on-time, delay-cause, and seasonal performance for San Jose, CA.
Destination airport →Compare the two airports
See IAH and SJC side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAH–SJC.
Routes with a similar on-time rate
What the Data Says About IAH to SJC
1,765 tracked flights put the IAH to SJC pairing (Houston to San Jose) at a 81.8% on-time rate, squarely in line with the wider network. Delays that do occur run 66.6 minutes on average. Across the 1,608-mile route and its 6 carriers, the trailing 24 months show 1.1% cancelled and 0.0% diverted (731 flights sampled).
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
Frequently Asked Questions
How often are flights delayed from IAH to SJC? ▼
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.