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Route · SJC → PDX · 2020–2025 BTS data

San Jose to Portland

The SJC–PDX corridor (San Jose, CA → Portland, OR) runs ahead of the national average, served by 22 carriers across roughly 569 miles.

Data updated 2026-06-13

86.4%
On-time
+7.4 pts
vs US avg
58 min
Delay when late
13,062
Flights

Cancelled

0.4%

Best Month

Jan 2025 92%

Worst Month

Jul 2025 75%

Distance

569 mi

Carriers

22

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 184 24 0 0 WN,AS,OO
Nov 2025 117 19 0 0 OO,AS,WN
Oct 2025 162 31 0 0 OO,WN
Sep 2025 150 25 0 1 WN,OO
Aug 2025 142 21 0 0 OO,WN
Jul 2025 136 34 0 0 OO,WN
Jun 2025 132 27 0 0 OO,WN
May 2025 120 14 0 0 OO,WN
Apr 2025 138 16 0 0 OO,WN
Mar 2025 153 17 0 0 AS,OO,WN
Feb 2025 129 19 1 0 AS,OO,WN
Jan 2025 136 11 1 0 OO,WN
Dec 2024 197 31 0 0 OO,WN
Nov 2024 211 28 1 1 OO,WN,AS
Oct 2024 266 34 2 1 AS,OO,WN,NK
Sep 2024 245 34 0 0 WN,NK,OO
Aug 2024 236 27 0 0 NK,WN,OO
Jul 2024 199 35 1 0 NK,OO,WN
Jun 2024 217 40 0 0 NK,OO,WN
May 2024 190 35 0 0 OO,WN
Apr 2024 189 24 0 0 OO,WN
Mar 2024 176 19 0 0 OO,WN
Feb 2024 160 20 1 0 AS,OO,WN
Jan 2024 185 36 10 0 AS,WN,OO

Cancellation Rate

0.4%

17 of 4,170 flights

Diversion Rate

0.1%

3 of 4,170 flights

What the Data Says About SJC to PDX

San Jose to Portland (SJC to PDX) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.4% on-time rate across 13,062 flights, with delays that do happen averaging 57.7 minutes. The corridor runs roughly 569 miles and is served by 22 carriers. Over the most recent 24 months, 17 of 4,170 flights were cancelled (0.4%) and 3 diverted (0.1%).

The monthly split is wide on this route: Jan 2025 posted the strongest performance at 92% on-time, while Jul 2025 came in at just 75% - a 17-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from SJC to PDX?
Flights from San Jose to Portland have a 86.4% on-time rate based on 13,062 flights. The average delay is 57.7 minutes. The best recent month was Jan 2025 with 92% on-time.
What is the cancellation rate for SJC to PDX?
Over the last 24 months, 0.4% of flights on this route were cancelled (17 of 4,170 flights) and 0.1% were diverted.
How far is the flight from SJC to PDX?
The flight distance from San Jose (SJC) to Portland (PDX) is approximately 569 miles. This route is served by 22 carriers.
When is the best time to fly from SJC to PDX?
The best recent month for on-time performance was Jan 2025 (92% on-time). The worst was Jul 2025 (75% on-time). Consider booking during months with historically better performance.

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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.

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 Editorial

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.