Route · SJC → BOI · 2020–2025 BTS data
San Jose to Boise
The SJC–BOI corridor (San Jose, CA → Boise, ID) runs ahead of the national average, served by 8 carriers across roughly 523 miles.
Data updated 2026-06-13
- 86%
- On-time
- +7 pts
- vs US avg
- 57 min
- Delay when late
- 3,844
- Flights
Cancelled
0.1%
Best Month
Aug 2025 94%
Worst Month
Oct 2024 81%
Distance
523 mi
Carriers
8
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 71 | 10 | 0 | 0 | WN,OO |
| Nov 2025 | 62 | 6 | 1 | 0 | OO,WN |
| Oct 2025 | 54 | 8 | 0 | 0 | OO,WN |
| Sep 2025 | 60 | 7 | 0 | 1 | WN,OO |
| Aug 2025 | 62 | 4 | 0 | 0 | OO,WN |
| Jul 2025 | 62 | 4 | 0 | 0 | OO,WN |
| Jun 2025 | 60 | 10 | 0 | 0 | OO,WN |
| May 2025 | 62 | 8 | 0 | 0 | OO,WN |
| Apr 2025 | 60 | 7 | 0 | 0 | OO,WN |
| Mar 2025 | 54 | 7 | 0 | 0 | OO,WN |
| Feb 2025 | 48 | 9 | 0 | 0 | OO,WN |
| Jan 2025 | 48 | 3 | 0 | 0 | OO,WN |
| Dec 2024 | 48 | 12 | 1 | 0 | OO,WN |
| Nov 2024 | 53 | 7 | 0 | 0 | OO,WN |
| Oct 2024 | 58 | 11 | 0 | 0 | OO,WN |
| Sep 2024 | 60 | 8 | 0 | 0 | WN,OO |
| Aug 2024 | 63 | 7 | 0 | 0 | WN,OO |
| Jul 2024 | 62 | 11 | 0 | 0 | OO,WN |
| Jun 2024 | 60 | 11 | 0 | 0 | OO,WN |
| May 2024 | 47 | 11 | 0 | 0 | OO,WN |
| Apr 2024 | 45 | 7 | 0 | 0 | OO,WN |
| Mar 2024 | 48 | 9 | 0 | 0 | OO,WN |
| Dec 2023 | 37 | 7 | 0 | 0 | WN |
| Nov 2023 | 52 | 8 | 0 | 0 | WN,OO |
Cancellation Rate
0.1%
2 of 1,336 flights
Diversion Rate
0.1%
1 of 1,336 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SJC - San Jose
Full on-time, delay-cause, and seasonal performance for San Jose, CA.
Origin airport →BOI - Boise
Full on-time, delay-cause, and seasonal performance for Boise, ID.
Destination airport →Compare the two airports
See SJC and BOI side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SJC–BOI.
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What the Data Says About SJC to BOI
San Jose to Boise (SJC to BOI) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86% on-time rate across 3,844 flights, with delays that do happen averaging 56.6 minutes. The corridor runs roughly 523 miles and is served by 8 carriers. Over the most recent 24 months, 2 of 1,336 flights were cancelled (0.1%) and 1 diverted (0.1%).
Monthly performance varies moderately here: Aug 2025 was the strongest month at 94% on-time versus Oct 2024 at 81%, a 13-point difference.
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.