Best Time to Fly SJC to ATL: On-Time Stats by Hour & Airline
Norman Y. Mineta San Jose International → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
901 flights were scheduled from San Jose (SJC) to Atlanta (ATL) in the last 12 months, and 92.7% of those that flew arrived on time, 15.0 points above the US average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (95% on time) and March the worst month (87%).
The cancellation rate was 1.4% (US average 1.8%).
SJC to ATL on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Lines | 92.7% | 68 min | 1.4% | 901 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SJC to ATL
On-time arrival % by scheduled departure hour (local time), 1,753 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 94.3% | 1.2% | 559 |
| 7am–8am | 93.9% | 0.0% | 49 |
| 12pm–1pm | 91.0% | 0.4% | 485 |
| 1pm–2pm | 90.1% | 1.6% | 185 |
| 2pm–3pm | 94.7% | 0.0% | 38 |
| 10pm–11pm | 92.5% | 1.1% | 379 |
| 11pm–12am | 87.7% | 1.7% | 58 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SJC to ATL
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 87.9% | -5.3 pts | 0.0% | 33 |
| Christmas & New Year (Dec 20 - Jan 3) | 96.2% | +3.1 pts | 1.2% | 82 |
| Summer peak (Jun 15 - Aug 15) | 88.9% | -4.3 pts | 1.4% | 351 |
| All other days | 93.2% | — | 0.8% | 1,287 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).