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Route · GEG → SJC · 2020–2025 BTS data

Spokane to San Jose

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), GEG to SJC (Spokane to San Jose) ranks #3986 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

86.2%
On-time
+7.2 pts
vs US avg
53 min
Delay when late
1,727
Flights
#3986 of 4927
Corpus placement

Cancelled

0.2%

Best Month

Jun 2023 96%

Worst Month

Jul 2023 73%

Distance

742 mi

Carriers

5

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Sep 2025 30 4 0 0 WN
Aug 2025 31 7 0 0 WN
Jul 2025 31 4 0 0 WN
Jun 2025 30 5 0 0 WN
Oct 2024 31 2 0 0 WN
Sep 2024 30 1 0 0 WN
Aug 2024 31 9 0 0 WN
Jul 2024 31 3 0 0 WN
Jun 2024 30 4 0 0 WN
May 2024 31 2 0 0 WN
Apr 2024 30 2 0 0 WN
Mar 2024 30 4 0 0 WN
Dec 2023 31 2 0 0 WN
Nov 2023 31 1 0 0 WN
Oct 2023 44 4 0 0 WN
Sep 2023 41 4 0 0 WN
Aug 2023 41 5 0 0 WN
Jul 2023 52 14 0 0 WN
Jun 2023 52 2 0 0 WN
May 2023 54 9 0 0 WN
Apr 2023 50 7 0 0 WN
Mar 2023 54 9 0 0 WN
Feb 2023 48 8 0 0 WN
Jan 2023 50 8 2 1 WN

GEG–SJC seasonal on-time pattern

Best: September (93.0%) · weakest: December (72.9%)

70%75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 72.9%

Strongest calendar month

September

93.0% on-time · ~37 flights/mo

Busiest calendar month

February

~48 flights/mo avg

Weakest calendar month

December

72.9% on-time · ~36 flights/mo

Cancellation Rate

0.2%

2 of 914 flights

Diversion Rate

0.1%

1 of 914 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

GEG - Spokane

Full on-time, delay-cause, and seasonal performance for Spokane, WA.

GEG on-time profile

SJC - San Jose

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

SJC on-time profile

Compare the two airports

See GEG and SJC side by side on delays, cancellations, and reliability.

Compare GEG vs SJC

Origin-hub reliability standing

Among GEG's stronger departures

GEG → SJC posts a 86.2% on-time rate, landing in the ≥85% band with 12 of 18 BTS-tracked routes leaving Spokane. The same hub also shows 6 mid-band and 0 challenged departures · fleet-wide on-time rank #842 of 4927 (highest on-time = #1).

What the Data Says About GEG to SJC

Spokane to San Jose (GEG to SJC) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.2% on-time rate across 1,727 flights, with delays that do happen averaging 53.4 minutes. The corridor runs roughly 742 miles and is served by 5 carriers. Over the most recent 24 months, 2 of 914 flights were cancelled (0.2%) and 1 diverted (0.1%).

The monthly split is wide on this route: Jun 2023 posted the strongest performance at 96% on-time, while Jul 2023 came in at just 73% - a 23-point swing worth factoring into travel timing.

On the multi-year calendar, GEG–SJC peaks in September at 93.0% on-time while February carries the heaviest traffic (~48 flights per month) ; the softest month is December at 72.9%, a 20.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does GEG to SJC rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, GEG to SJC ranks #3986 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 GEG to SJC? ▼
Flights from Spokane to San Jose have a 86.2% on-time rate based on 1,727 flights. The average delay is 53.4 minutes. The best recent month was Jun 2023 with 96% on-time.
What is the cancellation rate for GEG to SJC? ▼
Over the last 24 months, 0.2% of flights on this route were cancelled (2 of 914 flights) and 0.1% were diverted.
How far is the flight from GEG to SJC? ▼
The flight distance from Spokane (GEG) to San Jose (SJC) is approximately 742 miles. This route is served by 5 carriers.
When is the best time to fly from GEG to SJC? ▼
The best recent month for on-time performance was Jun 2023 (96% on-time). The worst was Jul 2023 (73% on-time). Consider booking during months with historically better performance.

Airports on this route

GEG Airport

Spokane
SJC Airport

San Jose
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 GEG–SJC data

GEG–SJC runs 7.2 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare GEG and SJC airport profiles: delay causes and top routes differ even on the same corridor. GEG airport
  • If your dates flex, September (93.0% on-time) beats December (72.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 86.2% 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.