Route · ATL → SJC · 2020–2025 BTS data
Atlanta to San Jose
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ATL to SJC (Atlanta to San Jose) ranks #3101 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 87.4%
- On-time
- +8.4 pts
- vs US avg
- 56 min
- Delay when late
- 3,528
- Flights
- #3101 of 4927
- Corpus placement
Cancelled
1.1%
Best Month
Apr 2024 98%
Worst Month
May 2024 74%
Distance
2,116 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 88 | 4 | 2 | 1 | DL |
| Nov 2025 | 73 | 8 | 3 | 0 | DL |
| Oct 2025 | 85 | 11 | 0 | 0 | DL |
| Sep 2025 | 77 | 4 | 0 | 0 | DL |
| Aug 2025 | 82 | 16 | 1 | 0 | DL |
| Jul 2025 | 88 | 19 | 1 | 0 | DL |
| Jun 2025 | 86 | 17 | 1 | 0 | DL |
| May 2025 | 81 | 12 | 0 | 0 | DL |
| Apr 2025 | 56 | 5 | 0 | 0 | DL |
| Mar 2025 | 57 | 9 | 0 | 0 | DL |
| Feb 2025 | 50 | 10 | 0 | 0 | DL |
| Jan 2025 | 62 | 9 | 2 | 0 | DL |
| Dec 2024 | 79 | 12 | 0 | 0 | DL |
| Nov 2024 | 66 | 11 | 0 | 0 | DL |
| Oct 2024 | 76 | 7 | 0 | 0 | DL |
| Sep 2024 | 74 | 6 | 0 | 0 | DL |
| Aug 2024 | 77 | 9 | 0 | 0 | DL |
| Jul 2024 | 76 | 19 | 7 | 0 | DL |
| Jun 2024 | 76 | 4 | 0 | 0 | DL |
| May 2024 | 74 | 19 | 1 | 0 | DL |
| Apr 2024 | 56 | 1 | 0 | 0 | DL |
| Mar 2024 | 57 | 6 | 0 | 1 | DL |
| Feb 2024 | 49 | 8 | 0 | 0 | DL |
| Jan 2024 | 58 | 7 | 0 | 0 | DL |
ATL–SJC seasonal on-time pattern
Best: December (91.8%) · weakest: July (81.5%)
Strongest calendar month
December
91.8% on-time · ~71 flights/mo
Busiest calendar month
June
~72 flights/mo avg
Weakest calendar month
July
81.5% on-time · ~62 flights/mo
Cancellation Rate
1.1%
18 of 1,703 flights
Diversion Rate
0.1%
2 of 1,703 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
ATL 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 ATL and SJC side by side on delays, cancellations, and reliability.
Compare ATL vs SJCOrigin-hub reliability standing
Among ATL's stronger departures
ATL → SJC posts a 87.4% on-time rate, landing in the ≥85% band with 67 of 144 BTS-tracked routes leaving Atlanta. The same hub also shows 75 mid-band and 2 challenged departures · fleet-wide on-time rank #527 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to ATL–SJC.
Routes with a similar on-time rate
What the Data Says About ATL to SJC
Atlanta to San Jose (ATL to SJC) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.4% on-time rate across 3,528 flights, with delays that do happen averaging 56.0 minutes. The corridor runs roughly 2,116 miles and is served by 1 carrier. Over the most recent 24 months, 18 of 1,703 flights were cancelled (1.1%) and 2 diverted (0.1%).
The monthly split is wide on this route: Apr 2024 posted the strongest performance at 98% on-time, while May 2024 came in at just 74% - a 24-point swing worth factoring into travel timing.
On the multi-year calendar, ATL–SJC peaks in December at 91.8% on-time while June carries the heaviest traffic (~72 flights per month) ; the softest month is July at 81.5%, a 10.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does ATL to SJC rank among US routes by traffic? ▼
How often are flights delayed from ATL to SJC? ▼
What is the cancellation rate for ATL to SJC? ▼
How far is the flight from ATL to SJC? ▼
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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 ATL–SJC data
ATL–SJC runs 8.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare ATL and SJC airport profiles: delay causes and top routes differ even on the same corridor. ATL airport
- If your dates flex, December (91.8% on-time) beats July (81.5%) on this corridor. Seasonal chart
- 4 other routes post a similar 87.4% 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.