Atlanta (ATL) to Santa Ana (SNA): On-Time Performance
Data through May 2026
The calendar drives reliability on ATL–SNA. October 2024 flights landed on schedule 90% of the time, but July 2024 dropped to 60% — a gap of 30 points. Across the full period the route averages 75% on-time against a national 78%.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 1.0%
- Flights/day
- 2.9
- last 12 months
- Duration
- 4h 43m
- scheduled
- Distance
- 1,919 mi
Monthly on-time trend
Best time to fly from ATL to SNA
Aim for departures around 3 p.m. (80% on-time); avoid 10 a.m. departures (69%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 70% | 17 min |
| Tuesday | 80% | 15 min |
| Wednesdaybest | 80% | 11 min |
| Thursday | 72% | 15 min |
| Friday | 75% | 15 min |
| Saturday | 80% | 14 min |
| Sunday | 73% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft13%
- Airline operations57%
- National airspace system23%
- Weather6%
Frequently asked questions
- How often are flights from ATL to SNA delayed?
- 25% of ATL–SNA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 15 minutes.
- What is the best time of day to fly from ATL to SNA?
- Departures around 3 p.m. have the best record (80% on-time), while departures around 10 a.m. have the worst (69%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ATL to SNA?
- The scheduled ATL–SNA flight time averages 4h 43m over 1,919 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are ATL to SNA flights cancelled?
- 1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from ATL to SNA?
- July 2024 was the roughest month in this dataset, with only 60% of arrivals on time. The best was October 2024 at 90%. If your dates are flexible, that 30-point gap is worth planning around.
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Based on 2,090 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.