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Route · SLC → SJC · 2020–2025 BTS data

Salt Lake City to San Jose

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SLC to SJC (Salt Lake City to San Jose) ranks #1045 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

86.9%
On-time
+7.9 pts
vs US avg
69 min
Delay when late
10,925
Flights
#1045 of 4927
Corpus placement

Cancelled

0.3%

Best Month

Jan 2025 92%

Worst Month

Jan 2024 76%

Distance

584 mi

Carriers

10

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 137 18 1 0 DL,WN,OO
Nov 2025 155 22 2 0 OO,DL,WN
Oct 2025 168 21 0 0 DL,OO,WN
Sep 2025 158 16 1 0 WN,OO,DL
Aug 2025 166 22 0 0 OO,WN,DL
Jul 2025 176 23 0 0 DL,OO,WN
Jun 2025 172 29 2 0 OO,WN,DL
May 2025 166 30 0 0 DL,OO,WN
Apr 2025 139 13 0 0 DL,OO,WN
Mar 2025 146 22 0 0 DL,OO,WN
Feb 2025 123 18 0 0 WN,DL
Jan 2025 129 10 0 0 OO,WN,DL
Dec 2024 138 16 0 1 DL,OO,WN
Nov 2024 154 16 0 1 OO,WN,DL
Oct 2024 166 18 0 0 OO,DL,WN
Sep 2024 162 14 0 0 WN,OO,DL
Aug 2024 164 22 0 0 DL,WN,OO
Jul 2024 168 21 6 0 DL,OO,WN
Jun 2024 162 27 0 0 DL,OO,WN
May 2024 150 26 0 0 DL,OO,WN
Apr 2024 146 18 0 0 DL,OO,WN
Mar 2024 150 21 0 0 DL,OO,WN
Feb 2024 136 16 0 1 DL,OO,WN
Jan 2024 150 36 0 0 DL,WN,OO

SLC–SJC seasonal on-time pattern

Best: September (90.9%) · weakest: June (84.2%)

82%84%86%88%90%92% JanFebMarAprMayJunJulAugSepOctNovDec 84.5%

Strongest calendar month

September

90.9% on-time · ~159 flights/mo

Busiest calendar month

October

~162 flights/mo avg

Weakest calendar month

June

84.2% on-time · ~151 flights/mo

Cancellation Rate

0.3%

12 of 3,681 flights

Diversion Rate

0.1%

3 of 3,681 flights

Origin-hub reliability standing

Among SLC's stronger departures

SLC → SJC posts a 86.9% on-time rate, landing in the ≥85% band with 54 of 85 BTS-tracked routes leaving Salt Lake City. The same hub also shows 31 mid-band and 0 challenged departures · fleet-wide on-time rank #663 of 4927 (highest on-time = #1).

What the Data Says About SLC to SJC

Salt Lake City to San Jose (SLC to SJC) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.9% on-time rate across 10,925 flights, with delays that do happen averaging 69.3 minutes. The corridor runs roughly 584 miles and is served by 10 carriers. Over the most recent 24 months, 12 of 3,681 flights were cancelled (0.3%) and 3 diverted (0.1%).

The monthly split is wide on this route: Jan 2025 posted the strongest performance at 92% on-time, while Jan 2024 came in at just 76% - a 16-point swing worth factoring into travel timing.

On the multi-year calendar, SLC–SJC peaks in September at 90.9% on-time while October carries the heaviest traffic (~162 flights per month) ; the softest month is June at 84.2%, a 6.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SLC to SJC rank among US routes by traffic?
According to PlainFlights' route traffic ranking, SLC to SJC ranks #1045 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 SLC to SJC?
Flights from Salt Lake City to San Jose have a 86.9% on-time rate based on 10,925 flights. The average delay is 69.3 minutes. The best recent month was Jan 2025 with 92% on-time.
What is the cancellation rate for SLC to SJC?
Over the last 24 months, 0.3% of flights on this route were cancelled (12 of 3,681 flights) and 0.1% were diverted.
How far is the flight from SLC to SJC?
The flight distance from Salt Lake City (SLC) to San Jose (SJC) is approximately 584 miles. This route is served by 10 carriers.
When is the best time to fly from SLC to SJC?
The best recent month for on-time performance was Jan 2025 (92% on-time). The worst was Jan 2024 (76% on-time). Consider booking during months with historically better performance.

Airports on this route

Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Using SLC–SJC data

SLC–SJC runs 7.9 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SLC and SJC airport profiles: delay causes and top routes differ even on the same corridor. SLC airport
  • If your dates flex, September (90.9% on-time) beats June (84.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 86.9% 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.