San Jose (SJC) to Atlanta (ATL): On-Time Performance
Data through July 2026
The calendar drives reliability on SJC–ATL. April 2026 flights landed on schedule 100% of the time, but July 2024 dropped to 83% — a gap of 17 points. Across the full period the route averages 92% on-time against a national 78%.
- On-time
- 92%
- arrived <15 min late
- Avg delay
- 8 min
- completed flights
- Cancelled
- 1.3%
- Flights/day
- 2.5
- last 12 months
- Duration
- 4h 40m
- scheduled
- Distance
- 2,116 mi
Monthly on-time trend
Best time to fly from SJC to ATL
Aim for departures around 2 p.m. (95% on-time); avoid 11 p.m. departures (88%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 95% | 5 min |
| Tuesday | 93% | 4 min |
| Wednesday | 94% | 15 min |
| Thursdaybest | 95% | 3 min |
| Friday | 86% | 9 min |
| Saturday | 90% | 13 min |
| Sunday | 88% | 7 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft20%
- Airline operations61%
- National airspace system15%
- Weather4%
Frequently asked questions
- How often are flights from SJC to ATL delayed?
- 8% of SJC–ATL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 8 minutes.
- What is the best time of day to fly from SJC to ATL?
- Departures around 2 p.m. have the best record (95% on-time), while departures around 11 p.m. have the worst (88%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SJC to ATL?
- The scheduled SJC–ATL flight time averages 4h 40m over 2,116 miles. Actual arrival times vary — flights on this route land 15+ minutes late 8% of the time.
- How often are SJC to ATL flights cancelled?
- 1.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from SJC to ATL?
- July 2024 was the roughest month in this dataset, with only 83% of arrivals on time. The best was April 2026 at 100%. If your dates are flexible, that 17-point gap is worth planning around.
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Based on 1,829 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.