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Route · BOI → SMF · 2020–2025 BTS data

Boise to Sacramento

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BOI to SMF (Boise to Sacramento) ranks #2672 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

82.8%
On-time
+3.8 pts
vs US avg
58 min
Delay when late
4,524
Flights
#2672 of 4927
Corpus placement

Cancelled

0.1%

Best Month

Apr 2025 94%

Worst Month

Jun 2024 74%

Distance

437 mi

Carriers

9

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 77 14 0 0 WN
Nov 2025 75 11 0 1 WN
Oct 2025 58 10 0 0 WN
Sep 2025 73 8 0 0 WN
Aug 2025 74 12 0 0 WN
Jul 2025 84 18 0 0 WN
Jun 2025 79 14 0 0 WN
May 2025 65 11 0 0 WN
Apr 2025 84 5 0 0 OO,WN
Mar 2025 93 12 0 0 OO,WN
Feb 2025 76 11 0 0 OO,WN
Jan 2025 75 9 0 0 OO,WN
Dec 2024 65 9 0 0 OO,WN
Nov 2024 91 16 0 0 OO,WN
Oct 2024 89 8 0 0 OO,WN
Sep 2024 89 11 0 0 WN,OO
Aug 2024 91 14 0 1 WN,OO
Jul 2024 92 18 0 0 OO,WN
Jun 2024 90 23 0 0 OO,WN
May 2024 77 12 0 0 OO,WN
Apr 2024 60 10 0 0 WN
Mar 2024 57 6 0 0 WN
Feb 2024 33 1 1 0 WN
Jan 2024 40 8 0 0 WN

BOI–SMF seasonal on-time pattern

Best: February (87.9%) · weakest: June (72.9%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 79.1%

Strongest calendar month

February

87.9% on-time · ~60 flights/mo

Busiest calendar month

July

~86 flights/mo avg

Weakest calendar month

June

72.9% on-time · ~80 flights/mo

Cancellation Rate

0.1%

1 of 1,787 flights

Diversion Rate

0.1%

2 of 1,787 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.

BOI on-time profile

SMF - Sacramento

Full on-time, delay-cause, and seasonal performance for Sacramento, CA.

SMF on-time profile

Compare the two airports

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

Compare BOI vs SMF

Origin-hub reliability standing

Mid-pack among BOI departures

From BOI, this corridor sits with 9 other 75–85% on-time routes out of 19 tracked departures, not the hub's reliability leaders (10 at ≥85%) and not the softest ( 0 below 75%). Destination: Sacramento · fleet on-time rank #2021 of 4927.

What the Data Says About BOI to SMF

Bureau of Transportation Statistics records show Boise to Sacramento (BOI to SMF) running a 82.8% on-time rate over 4,524 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 58.0 minutes. The 437-mile corridor is served by 9 carriers, and over the last 24 months 0.1% of 1,787 flights were cancelled, 0.1% diverted.

The monthly split is wide on this route: Apr 2025 posted the strongest performance at 94% on-time, while Jun 2024 came in at just 74% - a 20-point swing worth factoring into travel timing.

On the multi-year calendar, BOI–SMF peaks in February at 87.9% on-time while July carries the heaviest traffic (~86 flights per month) ; the softest month is June at 72.9%, a 15.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does BOI to SMF rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, BOI to SMF ranks #2672 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 BOI to SMF? ▼
Flights from Boise to Sacramento have a 82.8% on-time rate based on 4,524 flights. The average delay is 58.0 minutes. The best recent month was Apr 2025 with 94% on-time.
What is the cancellation rate for BOI to SMF? ▼
Over the last 24 months, 0.1% of flights on this route were cancelled (1 of 1,787 flights) and 0.1% were diverted.
How far is the flight from BOI to SMF? ▼
The flight distance from Boise (BOI) to Sacramento (SMF) is approximately 437 miles. This route is served by 9 carriers.
When is the best time to fly from BOI to SMF? ▼
The best recent month for on-time performance was Apr 2025 (94% on-time). The worst was Jun 2024 (74% on-time). Consider booking during months with historically better performance.

Airports on this route

BOI Airport

Boise
SMF Airport

Sacramento
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 BOI–SMF data

BOI–SMF runs 3.8 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare BOI and SMF airport profiles: delay causes and top routes differ even on the same corridor. BOI airport
  • If your dates flex, February (87.9% on-time) beats June (72.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 82.8% 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.