Route · JFK → SJC · 2020–2025 BTS data
New York to San Jose
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), JFK to SJC (New York to San Jose) ranks #4874 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 70.3%
- On-time
- -8.7 pts
- vs US avg
- 77 min
- Delay when late
- 529
- Flights
- #4874 of 4927
- Corpus placement
Cancelled
4.5%
Best Month
N/A
Worst Month
N/A
Distance
2,569 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Apr 2024 | 30 | 21 | 0 | 0 | B6 |
| Sep 2023 | 30 | 16 | 0 | 0 | B6 |
| Aug 2023 | 31 | 12 | 0 | 0 | B6 |
| Jul 2023 | 31 | 14 | 5 | 0 | B6 |
| Jun 2023 | 30 | 10 | 2 | 0 | B6 |
| May 2023 | 31 | 8 | 1 | 0 | B6 |
| Apr 2023 | 30 | 7 | 0 | 0 | B6 |
| Sep 2022 | 30 | 9 | 1 | 0 | B6 |
| Aug 2022 | 31 | 12 | 1 | 0 | B6 |
| Jul 2022 | 31 | 11 | 0 | 0 | B6 |
| Apr 2022 | 30 | 13 | 1 | 1 | B6 |
| Mar 2022 | 31 | 7 | 1 | 0 | B6 |
| Jan 2022 | 30 | 8 | 2 | 0 | B6 |
| Mar 2020 | 47 | 5 | 9 | 0 | B6,DL |
| Feb 2020 | 37 | 1 | 0 | 1 | B6,DL |
| Jan 2020 | 49 | 3 | 1 | 4 | B6,AS,DL |
JFK–SJC seasonal on-time pattern
Best: February (97.3%) · weakest: April (54.4%)
Strongest calendar month
February
97.3% on-time · ~37 flights/mo
Busiest calendar month
January
~40 flights/mo avg
Weakest calendar month
April
54.4% on-time · ~30 flights/mo
Cancellation Rate
4.5%
24 of 529 flights
Diversion Rate
1.1%
6 of 529 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
JFK - New York
Full on-time, delay-cause, and seasonal performance for New York, NY.
JFK on-time profileSJC - San Jose
Full on-time, delay-cause, and seasonal performance for San Jose, CA.
SJC on-time profileCompare the two airports
See JFK and SJC side by side on delays, cancellations, and reliability.
Compare JFK vs SJCOrigin-hub reliability standing
Softer reliability from JFK
Among 66 routes leaving JFK, only 13 (including this one) clear below 75% on-time, while 3 stay ≥85% and 50 sit mid-band. Travelers comparing JFK options should weigh this 70.3% print against those peers · fleet on-time rank #4834 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to JFK–SJC.
Routes with a similar on-time rate
What the Data Says About JFK to SJC
On-time performance on the JFK to SJC pairing (New York to San Jose) trails a chunk of the network: 70.3% of 529 tracked flights arrived on schedule, with a 76.5-minute average delay on the ones that ran late. The route spans about 2,569 miles across 3 carriers. Cancellations over the trailing 24 months hit 4.5% (24 of 529 flights), with 1.1% 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.
On the multi-year calendar, JFK–SJC peaks in February at 97.3% on-time while January carries the heaviest traffic (~40 flights per month) ; the softest month is April at 54.4%, a 42.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does JFK to SJC rank among US routes by traffic? ▼
How often are flights delayed from JFK to SJC? ▼
What is the cancellation rate for JFK to SJC? ▼
How far is the flight from JFK to SJC? ▼
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 JFK–SJC data
JFK–SJC sits 8.7 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.
- Compare JFK and SJC airport profiles: delay causes and top routes differ even on the same corridor. JFK airport
- If your dates flex, February (97.3% on-time) beats April (54.4%) on this corridor. Seasonal chart
- 4 other routes post a similar 70.3% 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.