Route · SFO → BOI · 2020–2025 BTS data
San Francisco to Boise
The SFO–BOI corridor (San Francisco, CA → Boise, ID) runs ahead of the national average, served by 6 carriers across roughly 522 miles.
Data updated 2026-06-13
- 84%
- On-time
- +5 pts
- vs US avg
- 75 min
- Delay when late
- 9,544
- Flights
Cancelled
0.7%
Best Month
Jan 2025 91%
Worst Month
Feb 2024 67%
Distance
522 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 151 | 48 | 1 | 0 | UA,OO |
| Nov 2025 | 148 | 22 | 1 | 2 | OO,UA |
| Oct 2025 | 131 | 28 | 0 | 0 | OO,UA |
| Sep 2025 | 113 | 23 | 0 | 0 | UA,OO |
| Aug 2025 | 116 | 29 | 0 | 0 | OO,UA |
| Jul 2025 | 119 | 29 | 0 | 0 | OO,UA |
| Jun 2025 | 121 | 20 | 0 | 0 | OO,UA |
| May 2025 | 138 | 24 | 0 | 0 | OO,UA |
| Apr 2025 | 129 | 22 | 0 | 0 | OO,UA |
| Mar 2025 | 124 | 18 | 0 | 0 | OO,UA |
| Feb 2025 | 112 | 21 | 0 | 0 | OO,UA |
| Jan 2025 | 130 | 12 | 1 | 0 | OO,UA |
| Dec 2024 | 153 | 41 | 3 | 1 | OO,UA |
| Nov 2024 | 147 | 25 | 5 | 1 | OO,UA |
| Oct 2024 | 155 | 31 | 0 | 0 | UA,OO |
| Sep 2024 | 143 | 25 | 0 | 0 | OO,UA |
| Aug 2024 | 133 | 23 | 1 | 0 | OO,UA |
| Jul 2024 | 116 | 15 | 1 | 0 | OO,UA |
| Jun 2024 | 89 | 22 | 0 | 0 | OO,UA |
| May 2024 | 116 | 22 | 0 | 0 | OO,UA |
| Apr 2024 | 105 | 19 | 1 | 0 | OO |
| Mar 2024 | 106 | 14 | 1 | 0 | OO,UA |
| Feb 2024 | 106 | 35 | 5 | 0 | OO,UA |
| Jan 2024 | 108 | 28 | 0 | 1 | OO,UA |
Cancellation Rate
0.7%
20 of 3,009 flights
Diversion Rate
0.2%
5 of 3,009 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SFO - San Francisco
Full on-time, delay-cause, and seasonal performance for San Francisco, CA.
Origin airport →BOI - Boise
Full on-time, delay-cause, and seasonal performance for Boise, ID.
Destination airport →Compare the two airports
See SFO 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 SFO–BOI.
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What the Data Says About SFO to BOI
Bureau of Transportation Statistics records show San Francisco to Boise (SFO to BOI) running a 84% on-time rate over 9,544 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 75.4 minutes. The 522-mile corridor is served by 6 carriers, and over the last 24 months 0.7% of 3,009 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Jan 2025 posted the strongest performance at 91% on-time, while Feb 2024 came in at just 67% - 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.