Best Time to Fly SNA to ATL: On-Time Stats by Hour & Airline
John Wayne Airport-Orange County → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
1,033 flights were scheduled from Santa Ana (SNA) to Atlanta (ATL) in the last 12 months, and 80.7% of those that flew arrived on time, 3.0 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, Monday was the most reliable day (86% on time) and July the worst month (75%).
The cancellation rate was 1.1% (US average 1.8%).
SNA 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 | 80.7% | 95 min | 1.1% | 1,033 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SNA to ATL
On-time arrival % by scheduled departure hour (local time), 2,064 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 85.4% | 0.8% | 626 |
| 7am–8am | 73.2% | 1.0% | 98 |
| 8am–9am | Limited data | 6 | |
| 11am–12pm | 76.5% | 0.8% | 254 |
| 12pm–1pm | 76.5% | 0.7% | 439 |
| 1pm–2pm | 78.4% | 0.0% | 89 |
| 2pm–3pm | 80.8% | 0.0% | 237 |
| 9pm–10pm | 92.6% | 1.9% | 315 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SNA 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) | 85.7% | +2.2 pts | 0.0% | 35 |
| Christmas & New Year (Dec 20 - Jan 3) | 71.2% | -12.3 pts | 0.0% | 80 |
| Summer peak (Jun 15 - Aug 15) | 78.6% | -4.9 pts | 1.0% | 412 |
| All other days | 83.5% | — | 0.8% | 1,537 |
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).