Route · SJC → ORD · 2020–2025 BTS data
San Jose to Chicago
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SJC to ORD (San Jose to Chicago) ranks #4428 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 92.4%
- On-time
- +13.4 pts
- vs US avg
- 102 min
- Delay when late
- 1,103
- Flights
- #4428 of 4927
- Corpus placement
Cancelled
0.9%
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 | 4 | 1 | 0 | UA |
| Oct 2025 | 31 | 2 | 0 | 0 | UA |
| Sep 2025 | 30 | 2 | 0 | 0 | UA |
| Aug 2025 | 31 | 2 | 1 | 0 | UA |
| Jul 2025 | 31 | 2 | 1 | 1 | UA |
| Jun 2025 | 30 | 2 | 0 | 0 | UA |
| May 2025 | 31 | 5 | 0 | 0 | UA |
| Apr 2025 | 30 | 4 | 0 | 0 | UA |
| Mar 2025 | 31 | 2 | 1 | 0 | UA |
| Jan 2025 | 30 | 3 | 0 | 0 | UA |
| Nov 2024 | 31 | 0 | 0 | 0 | UA |
| Oct 2024 | 31 | 1 | 0 | 0 | UA |
| Sep 2024 | 30 | 1 | 0 | 0 | UA |
| Aug 2024 | 34 | 2 | 0 | 0 | UA |
| Jul 2024 | 31 | 3 | 1 | 0 | UA |
| Jun 2024 | 48 | 3 | 1 | 0 | UA |
| May 2024 | 37 | 3 | 0 | 2 | UA |
| Apr 2024 | 30 | 3 | 0 | 1 | UA |
| Mar 2024 | 31 | 3 | 0 | 0 | UA |
| Jan 2024 | 33 | 3 | 1 | 0 | UA |
| Nov 2023 | 30 | 1 | 0 | 0 | UA |
| Oct 2023 | 31 | 1 | 0 | 0 | UA |
| Nov 2022 | 31 | 3 | 0 | 0 | UA |
| Oct 2022 | 31 | 0 | 0 | 0 | UA |
SJC–ORD seasonal on-time pattern
Best: October (96.8%) · weakest: February (87.9%)
Strongest calendar month
October
96.8% on-time · ~31 flights/mo
Busiest calendar month
February
~58 flights/mo avg
Weakest calendar month
February
87.9% on-time · ~58 flights/mo
Cancellation Rate
0.9%
7 of 764 flights
Diversion Rate
0.5%
4 of 764 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SJC - San Jose
Full on-time, delay-cause, and seasonal performance for San Jose, CA.
SJC on-time profileORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
ORD on-time profileCompare the two airports
See SJC and ORD side by side on delays, cancellations, and reliability.
Compare SJC vs ORDOrigin-hub reliability standing
Among SJC's stronger departures
SJC → ORD posts a 92.4% on-time rate, landing in the ≥85% band with 21 of 31 BTS-tracked routes leaving San Jose. The same hub also shows 9 mid-band and 1 challenged departures · fleet-wide on-time rank #34 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SJC–ORD.
Routes with a similar on-time rate
What the Data Says About SJC to ORD
San Jose to Chicago (SJC to ORD) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 92.4% on-time rate across 1,103 flights, with delays that do happen averaging 101.7 minutes. The corridor runs roughly 1,829 miles and is served by 2 carriers. Over the most recent 24 months, 7 of 764 flights were cancelled (0.9%) and 4 diverted (0.5%).
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.
On the multi-year calendar, SJC–ORD peaks in October at 96.8% on-time while February carries the heaviest traffic (~58 flights per month) ; the softest month is February at 87.9%, a 8.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SJC to ORD rank among US routes by traffic? ▼
How often are flights delayed from SJC to ORD? ▼
What is the cancellation rate for SJC to ORD? ▼
How far is the flight from SJC to ORD? ▼
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.
Read our methodology - how this data is sourced, computed, and verified.
Using SJC–ORD data
SJC–ORD runs 13.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare SJC and ORD airport profiles: delay causes and top routes differ even on the same corridor. SJC airport
- If your dates flex, October (96.8% on-time) beats February (87.9%) on this corridor. Seasonal chart
- 4 other routes post a similar 92.4% 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.
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.