PlainFlights

Route · SMF → BOI · 2020–2025 BTS data

Sacramento to Boise

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SMF to BOI (Sacramento to Boise) ranks #2713 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

83.3%
On-time
+4.3 pts
vs US avg
58 min
Delay when late
4,438
Flights
#2713 of 4927
Corpus placement

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

SMF–BOI seasonal on-time pattern

Best: March (89.2%) · weakest: December (75.7%)

75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 75.7%

Strongest calendar month

March

89.2% on-time · ~67 flights/mo

Busiest calendar month

July

~86 flights/mo avg

Weakest calendar month

December

75.7% on-time · ~63 flights/mo

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.

SMF on-time profile

BOI - Boise

Full on-time, delay-cause, and seasonal performance for Boise, ID.

BOI on-time profile

Compare the two airports

See SMF and BOI side by side on delays, cancellations, and reliability.

Compare SMF vs BOI

Origin-hub reliability standing

Mid-pack among SMF departures

From SMF, this corridor sits with 14 other 75–85% on-time routes out of 35 tracked departures, not the hub's reliability leaders (20 at ≥85%) and not the softest ( 1 below 75%). Destination: Boise · fleet on-time rank #1855 of 4927.

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.

On the multi-year calendar, SMF–BOI peaks in March at 89.2% on-time while July carries the heaviest traffic (~86 flights per month) ; the softest month is December at 75.7%, a 13.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SMF to BOI rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SMF to BOI ranks #2713 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from SMF to BOI? ▼
Flights from Sacramento to Boise have a 83.3% on-time rate based on 4,438 flights. The average delay is 57.8 minutes. The best recent month was May 2024 with 95% on-time.
What is the cancellation rate for SMF to BOI? ▼
Over the last 24 months, 0.2% of flights on this route were cancelled (3 of 1,788 flights) and 0.1% were diverted.
How far is the flight from SMF to BOI? ▼
The flight distance from Sacramento (SMF) to Boise (BOI) is approximately 437 miles. This route is served by 9 carriers.
When is the best time to fly from SMF to BOI? ▼
The best recent month for on-time performance was May 2024 (95% on-time). The worst was Dec 2024 (69% on-time). Consider booking during months with historically better performance.

Airports on this route

SMF Airport

Sacramento
BOI Airport

Boise
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.

Using SMF–BOI data

SMF–BOI runs 4.3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SMF and BOI airport profiles: delay causes and top routes differ even on the same corridor. SMF airport
  • If your dates flex, March (89.2% on-time) beats December (75.7%) on this corridor. Seasonal chart
  • 4 other routes post a similar 83.3% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.