74% of ATL → SNA flights arrived on time in June-August 2026 (270 flights). The most reliable was DL 826, on time 84% of the time on this route. Atlanta (ATL): no delay reported. Orange County (SNA): no delay reported.
Best time of day to fly ATL → SNA
| Morning (before noon) | |
| Evening (after 5 PM) |
Flights ATL → SNA, most reliable first
| Flight | Departs | On time on this route | Cancelled |
|---|---|---|---|
| DL 826 Delta | 8:51 PM | 0% | |
| DL 329 Delta | 11:00 AM | 0% | |
| DL 2012 Delta | 5:30 PM | 2% |
ATL conditions · SNA conditions · SNA → ATL · Cancellations
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From BTS on-time data, June-August 2026; flights with 20+ trips on this route. On-time rates cover each flight number's whole day, which can include other legs. Departure times are local.