Route · BOI → SJC · 2020–2025 BTS data
Boise to San Jose
The BOI–SJC corridor (Boise, ID → San Jose, CA) runs ahead of the national average, served by 6 carriers across roughly 523 miles.
Data updated 2026-06-13
- 87.6%
- On-time
- +8.6 pts
- vs US avg
- 57 min
- Delay when late
- 3,755
- Flights
Cancelled
0.1%
Best Month
Apr 2025 97%
Worst Month
Jul 2025 73%
Distance
523 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 71 | 11 | 0 | 0 | WN,OO |
| Nov 2025 | 62 | 9 | 1 | 0 | OO,WN |
| Oct 2025 | 58 | 10 | 0 | 0 | OO,WN |
| Sep 2025 | 60 | 11 | 0 | 0 | WN,OO |
| Aug 2025 | 62 | 9 | 0 | 0 | OO,WN |
| Jul 2025 | 62 | 17 | 0 | 0 | OO,WN |
| Jun 2025 | 60 | 10 | 0 | 0 | OO,WN |
| May 2025 | 62 | 3 | 0 | 0 | OO,WN |
| Apr 2025 | 60 | 2 | 0 | 0 | OO,WN |
| Mar 2025 | 54 | 7 | 0 | 0 | OO,WN |
| Feb 2025 | 48 | 9 | 0 | 0 | OO,WN |
| Jan 2025 | 48 | 4 | 0 | 0 | OO,WN |
| Dec 2024 | 48 | 12 | 1 | 0 | OO,WN |
| Nov 2024 | 52 | 3 | 0 | 0 | OO,WN |
| Oct 2024 | 58 | 4 | 0 | 0 | OO,WN |
| Sep 2024 | 60 | 2 | 0 | 0 | WN,OO |
| Aug 2024 | 63 | 7 | 0 | 0 | WN,OO |
| Jul 2024 | 62 | 4 | 0 | 0 | OO,WN |
| Jun 2024 | 60 | 13 | 0 | 0 | OO,WN |
| May 2024 | 47 | 6 | 0 | 0 | OO,WN |
| Apr 2024 | 45 | 4 | 0 | 0 | OO,WN |
| Mar 2024 | 48 | 5 | 0 | 0 | OO,WN |
| Dec 2023 | 37 | 2 | 0 | 0 | WN |
| Nov 2023 | 52 | 6 | 0 | 0 | WN,OO |
Cancellation Rate
0.1%
2 of 1,339 flights
Diversion Rate
0.0%
0 of 1,339 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BOI - Boise
Full on-time, delay-cause, and seasonal performance for Boise, ID.
Origin airport →SJC - San Jose
Full on-time, delay-cause, and seasonal performance for San Jose, CA.
Destination airport →Compare the two airports
See BOI 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 BOI–SJC.
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What the Data Says About BOI to SJC
Boise to San Jose (BOI to SJC) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.6% on-time rate across 3,755 flights, with delays that do happen averaging 56.8 minutes. The corridor runs roughly 523 miles and is served by 6 carriers. Over the most recent 24 months, 2 of 1,339 flights were cancelled (0.1%) and 0 diverted (0.0%).
The monthly split is wide on this route: Apr 2025 posted the strongest performance at 97% on-time, while Jul 2025 came in at just 73% - a 24-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.