About 1 in 4 DL 329 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (26%); 0.9% were cancelled. The typical flight landed 1 minutes late.
DL 329: ATL → SNA
Scheduled to leave Atlanta at 9:50 a.m. local time. Over the past year it arrived on time 74% of the time (334 flights), in line with other DL flights on the route at that hour (73%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 49 | 76% |
| Tuesday | 48 | 79% |
| Wednesday | 48 | 73% |
| Thursday | 47 | 68% |
| Friday | 47 | 66% |
| Saturday | 47 | 79% |
| Sunday | 48 | 75% |
Why it was late
All flights ATL → SNA · Connecting off DL 329? Check the risk
DL 329: SNA → ATL
Scheduled to leave Santa Ana at 2:00 p.m. local time. Over the past year it arrived on time 77% of the time (239 flights), in line with other DL flights on the route at that hour (74%). Last seen in the data Aug 31, 2026.
Usually Delta Air Lines's last flight of the day from Santa Ana to Atlanta (56% of days). Delta Air Lines's last SNA–ATL flight was cancelled 0.8% of the time, against 1.1% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 6:45 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 33 | 82% |
| Tuesday | 32 | 84% |
| Wednesday | 32 | 81% |
| Thursday | 33 | 64% |
| Friday | 33 | 76% |
| Saturday | 44 | 73% |
| Sunday | 32 | 78% |
Why it was late
All flights SNA → ATL · Connecting off DL 329? Check the risk
Questions
How often is DL 329 from ATL to SNA late?
Delta Air Lines 329 from Atlanta, GA to Santa Ana, CA arrived 15 or more minutes late, was diverted or was cancelled on 26% of 334 scheduled flights between September 2025 and August 2026. 0.9% were cancelled.
How often is DL 329 from SNA to ATL late?
Delta Air Lines 329 from Santa Ana, CA to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 23% of 239 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.