Route · ORD → SJC · 2020–2025 BTS data
Chicago to San Jose
The ORD–SJC corridor (Chicago, IL → San Jose, CA) runs behind the national average, served by 2 carriers across roughly 1,829 miles.
Data updated 2026-06-13
- 77.1%
- On-time
- -1.9 pts
- vs US avg
- 77 min
- Delay when late
- 1,131
- Flights
Cancelled
0.8%
Best Month
N/A
Worst Month
N/A
Distance
1,829 mi
Carriers
2
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Nov 2025 | 30 | 10 | 0 | 0 | UA |
| Oct 2025 | 31 | 12 | 0 | 0 | UA |
| Sep 2025 | 30 | 3 | 0 | 0 | UA |
| Aug 2025 | 31 | 11 | 1 | 0 | UA |
| Jul 2025 | 31 | 14 | 2 | 0 | UA |
| Jun 2025 | 30 | 20 | 0 | 0 | UA |
| May 2025 | 31 | 10 | 0 | 0 | UA |
| Apr 2025 | 30 | 5 | 0 | 0 | UA |
| Mar 2025 | 31 | 5 | 1 | 0 | UA |
| Jan 2025 | 30 | 7 | 0 | 1 | UA |
| Nov 2024 | 30 | 6 | 0 | 0 | UA |
| Oct 2024 | 31 | 3 | 0 | 0 | UA |
| Sep 2024 | 30 | 2 | 0 | 1 | UA |
| Aug 2024 | 34 | 11 | 0 | 0 | UA |
| Jul 2024 | 31 | 11 | 1 | 0 | UA |
| Jun 2024 | 48 | 22 | 0 | 0 | UA |
| May 2024 | 37 | 15 | 0 | 0 | UA |
| Apr 2024 | 30 | 10 | 0 | 0 | UA |
| Mar 2024 | 31 | 12 | 0 | 0 | UA |
| Jan 2024 | 31 | 9 | 1 | 0 | UA |
| Nov 2023 | 30 | 4 | 0 | 0 | UA |
| Oct 2023 | 31 | 3 | 0 | 0 | UA |
| Nov 2022 | 31 | 3 | 0 | 0 | UA |
| Oct 2022 | 31 | 0 | 0 | 0 | UA |
Cancellation Rate
0.8%
6 of 761 flights
Diversion Rate
0.3%
2 of 761 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Origin airport →SJC - San Jose
Full on-time, delay-cause, and seasonal performance for San Jose, CA.
Destination airport →Compare the two airports
See ORD and SJC side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to ORD–SJC.
Routes with a similar on-time rate
What the Data Says About ORD to SJC
The Chicago to San Jose corridor (ORD to SJC) posts a 77.1% on-time rate on the lower edge of the average band, based on 1,131 tracked flights. Late flights run 76.8 minutes behind on average. 2 carriers cover the 1,829-mile route; over the last 24 months, 6 of 761 flights were cancelled (0.8%) and 0.3% diverted.
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
Frequently Asked Questions
How often are flights delayed from ORD to SJC? ▼
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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.
Read our methodology - how this data is sourced, computed, and verified.
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.