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Showing Delta only (incl. its regional partners)All airlines ×
1,033 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Delta’s SNA → ATL flights land within a few points of 4 in 5 on time whatever the hour.

Best time to leave 9–10 pm 96% arrive on time from SNA
Best single flight DL 721 SNA 06:45 → ATL 14:19 · 81% on time Avoid DL 329 SNA 14:00 → ATL 21:27 · 77% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

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SNA
85
82
70
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94
% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
DL 721 SNA 06:45 ATL 14:19 81%
DL 329 SNA 14:00 ATL 21:27 77%

All 4 Delta flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
DL 721 SNA 06:45 ATL 14:19 4h 29m 365 81% 1.1% 92 min
DL 1521 SNA 12:18 ATL 19:41 4h 23m 87 85% 1.1% 82 min
DL 2012 SNA 14:00 ATL 21:22 4h 22m 31 77% 0.0% 199 min
DL 329 SNA 14:00 ATL 21:27 4h 27m 237 77% 0.0% 64 min

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
Delta SNA ATL 4h 11m 81% 1.1% 1,033 Flying now
Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON