About 1 in 13 DL 819 flights from San Diego arrived 15+ minutes late, diverted or cancelled over the past year (8%); 1.5% were cancelled. The typical flight landed 10 minutes early.
DL 819: SAN → ATL
Scheduled to leave San Diego at 10:30 p.m. local time. Over the past year it arrived on time 92% of the time (207 flights), better than other DL flights on the route at that hour (88%). Last seen in the data Aug 2, 2026.
Usually Delta Air Lines's last flight of the day from San Diego to Atlanta (100% of days). Delta Air Lines's last SAN–ATL flight was cancelled 1.1% of the time, against 0.6% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 6:15 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 31 | 94% |
| Tuesday | 30 | 100% |
| Wednesday | 30 | 93% |
| Thursday | 29 | 90% |
| Friday | 29 | 83% |
| Saturday | 29 | 93% |
| Sunday | 29 | 93% |
Why it was late
All flights SAN → ATL · Connecting off DL 819? Check the risk
DL 819: ATL → SAN
Scheduled to leave Atlanta at 7:44 p.m. local time. Over the past year it arrived on time 64% of the time (142 flights), in line with other DL flights on the route at that hour (62%). Last seen in the data Aug 30, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 24 | 71% |
| Tuesday | 16 | — |
| Wednesday | 16 | — |
| Thursday | 24 | 50% |
| Friday | 24 | 46% |
| Saturday | 15 | — |
| Sunday | 23 | 52% |
Why it was late
All flights ATL → SAN · Connecting off DL 819? Check the risk
Questions
How often is DL 819 from SAN to ATL late?
Delta Air Lines 819 from San Diego, CA to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 8% of 207 scheduled flights between September 2025 and August 2026. 1.5% were cancelled.
How often is DL 819 from ATL to SAN late?
Delta Air Lines 819 from Atlanta, GA to San Diego, CA arrived 15 or more minutes late, was diverted or was cancelled on 36% of 142 scheduled flights between September 2025 and August 2026. 0.7% 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.