DL1179
DL1179 (Delta Air Lines) is a multi-stop service on 5 routes, busiest San Diego to Atlanta. Of 688 departures recorded from October 2024 to July 2026, 88.1% left on time, according to the US BTS.
- On-time departures88.1%of 688 flights
- Average delay8.8 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.9%
- Legs flown under this number5
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 39 | 31 | ▼ 20.5% |
| February | 32 | 28 | ▼ 12.5% |
| March | 56 | 31 | ▼ 44.6% |
| April | 60 | 30 | ▼ 50.0% |
| May | 54 | 31 | ▼ 42.6% |
| June | 27 | 30 | ▲ 11.1% |
| July | 31 | 31 | 0.0% |
| August | 18 | – | – |
| September | 12 | – | – |
| October | 17 | – | in progress |
| November | 22 | – | – |
| December | 14 | – | – |
| Year to date (Jan–Jul) | 299 | 212 | ▼ 29.1% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 76.9% | 93.3% | ▲ 21.3% |
| February | 87.5% | 96.4% | ▲ 10.2% |
| March | 83.9% | 90.3% | ▲ 7.6% |
| April | 78.3% | 93.3% | ▲ 19.1% |
| May | 90.7% | 86.7% | ▼ 4.5% |
| June | 96.3% | 90.0% | ▼ 6.5% |
| July | 93.6% | 96.7% | ▲ 3.3% |
| August | 88.9% | – | – |
| September | 91.7% | – | – |
| October | 76.5% | – | in progress |
| November | 85.0% | – | – |
| December | 76.9% | – | – |
| Year-to-date average (Jan–Jul) | 86.8% | 92.4% | ▲ 6.5% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 0 | 3 |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.1% 682
- Cancelled 0.9% 6
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SAN ATL San Diego International Airport – Hartsfield Jackson Atlanta International Airport | 3,038 | 8.1 min | 92.2% | 315 |
| SLC SAN Salt Lake City International Airport – San Diego International Airport | 1,008 | 6.3 min | 88.6% | 228 |
| SAN SLC San Diego International Airport – Salt Lake City International Airport | 1,008 | 15.2 min | 78.5% | 107 |
| IAH ATL George Bush Intercontinental Airport – Hartsfield Jackson Atlanta International Airport | 1,108 | 10.8 min | 81.1% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 30 | 30 | 86.7% | 0 |
| December 2024 | 44 | 44 | 90.9% | 0 |
| January 2025 | 39 | 39 | 76.9% | 0 |
| February 2025 | 32 | 32 | 87.5% | 0 |
| March 2025 | 56 | 56 | 83.9% | 0 |
| April 2025 | 60 | 60 | 78.3% | 0 |
| May 2025 | 54 | 54 | 90.7% | 0 |
| June 2025 | 27 | 27 | 96.3% | 0 |
| July 2025 | 31 | 31 | 93.6% | 0 |
| August 2025 | 18 | 18 | 88.9% | 0 |
| September 2025 | 12 | 12 | 91.7% | 0 |
| October 2025 | 17 | 17 | 76.5% | 0 |
| November 2025 | 22 | 20 | 85.0% | 2 |
| December 2025 | 14 | 13 | 76.9% | 1 |
| January 2026 | 31 | 30 | 93.3% | 1 |
| February 2026 | 28 | 28 | 96.4% | 0 |
| March 2026 | 31 | 31 | 90.3% | 0 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 31 | 30 | 86.7% | 1 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 31 | 30 | 96.7% | 1 |