United Airlines is the most reliable airline on the IAH to SJC route with a 81% on-time rate. Based on 1,007 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: IAH to SJC
Houston to San Jose — airline reliability comparison
On-Time Rate by Airline
United Airlines81%
IAH to SJC Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| United AirlinesUABest | 81% | 0.8% | 68m | 1,007 |
Route Overview
81%
Overall On-Time
68m
Avg Delay
0.8%
Cancel Rate
1,007
Total Flights
Flying out of IAH? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.