Route · SMF → BOI · 2020–2025 BTS data
Sacramento to Boise
The SMF–BOI corridor (Sacramento, CA → Boise, ID) runs ahead of the national average, served by 9 carriers across roughly 437 miles.
Data updated 2026-06-13
- 83.3%
- On-time
- +4.3 pts
- vs US avg
- 58 min
- Delay when late
- 4,438
- Flights
Cancelled
0.2%
Best Month
May 2024 95%
Worst Month
Dec 2024 69%
Distance
437 mi
Carriers
9
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 77 | 18 | 0 | 0 | WN |
| Nov 2025 | 75 | 19 | 0 | 0 | WN |
| Oct 2025 | 58 | 10 | 0 | 0 | WN |
| Sep 2025 | 73 | 10 | 0 | 0 | WN |
| Aug 2025 | 74 | 13 | 0 | 0 | WN |
| Jul 2025 | 84 | 21 | 0 | 0 | WN |
| Jun 2025 | 79 | 18 | 0 | 0 | WN |
| May 2025 | 65 | 12 | 0 | 0 | WN |
| Apr 2025 | 84 | 12 | 0 | 0 | OO,WN |
| Mar 2025 | 93 | 13 | 0 | 0 | OO,WN |
| Feb 2025 | 76 | 12 | 0 | 0 | OO,WN |
| Jan 2025 | 75 | 14 | 0 | 0 | OO,WN |
| Dec 2024 | 65 | 20 | 0 | 1 | OO,WN |
| Nov 2024 | 92 | 13 | 0 | 0 | OO,WN |
| Oct 2024 | 88 | 10 | 0 | 0 | OO,WN |
| Sep 2024 | 89 | 10 | 0 | 0 | WN,OO |
| Aug 2024 | 92 | 7 | 0 | 0 | WN,OO |
| Jul 2024 | 92 | 26 | 0 | 0 | OO,WN |
| Jun 2024 | 90 | 23 | 1 | 0 | OO,WN |
| May 2024 | 77 | 4 | 0 | 0 | OO,WN |
| Apr 2024 | 60 | 7 | 0 | 0 | WN |
| Mar 2024 | 57 | 6 | 1 | 0 | WN |
| Feb 2024 | 33 | 8 | 1 | 1 | WN |
| Jan 2024 | 40 | 9 | 0 | 0 | WN |
Cancellation Rate
0.2%
3 of 1,788 flights
Diversion Rate
0.1%
2 of 1,788 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SMF - Sacramento
Full on-time, delay-cause, and seasonal performance for Sacramento, CA.
Origin airport →BOI - Boise
Full on-time, delay-cause, and seasonal performance for Boise, ID.
Destination airport →Compare the two airports
See SMF 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 SMF–BOI.
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What the Data Says About SMF to BOI
Bureau of Transportation Statistics records show Sacramento to Boise (SMF to BOI) running a 83.3% on-time rate over 4,438 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 57.8 minutes. The 437-mile corridor is served by 9 carriers, and over the last 24 months 0.2% of 1,788 flights were cancelled, 0.1% diverted.
The monthly split is wide on this route: May 2024 posted the strongest performance at 95% on-time, while Dec 2024 came in at just 69% - a 26-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.