DL1210
DL1210 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Salt Lake City to San Diego. Of 1,200 departures recorded from October 2024 to July 2026, 78.5% left on time, according to the US BTS.
- On-time departures78.5%of 1,200 flights
- Average delay11.5 min
- July 202662▲ 10.7%vs July 2025
- Cancelled0.3%
- Legs flown under this number2
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 | 36 | 58 | ▲ 61.1% |
| February | 28 | 55 | ▲ 96.4% |
| March | 54 | 62 | ▲ 14.8% |
| April | 60 | 60 | 0.0% |
| May | 37 | 62 | ▲ 67.6% |
| June | 48 | 60 | ▲ 25.0% |
| July | 56 | 62 | ▲ 10.7% |
| August | 60 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 58 | – | – |
| December | 62 | – | – |
| Year to date (Jan–Jul) | 319 | 419 | ▲ 31.3% |
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 | 75.0% | 72.4% | ▼ 3.5% |
| February | 82.1% | 85.5% | ▲ 4.0% |
| March | 90.7% | 91.9% | ▲ 1.3% |
| April | 83.3% | 80.0% | ▼ 4.0% |
| May | 83.8% | 86.7% | ▲ 3.4% |
| June | 77.1% | 61.7% | ▼ 20.0% |
| July | 73.2% | 72.6% | ▼ 0.9% |
| August | 68.3% | – | – |
| September | 86.7% | – | – |
| October | 79.0% | – | in progress |
| November | 89.3% | – | – |
| December | 59.7% | – | – |
| Year-to-date average (Jan–Jul) | 80.8% | 78.7% | ▼ 2.6% |
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 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 2 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 2 |
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 99.7% 1,196
- Cancelled 0.3% 4
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SLC SAN Salt Lake City International Airport – San Diego International Airport | 1,008 | 12.5 min | 77.7% | 656 |
| SAN SLC San Diego International Airport – Salt Lake City International Airport | 1,008 | 10.3 min | 79.5% | 544 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 75.0% | 0 |
| November 2024 | 58 | 58 | 87.9% | 0 |
| December 2024 | 62 | 62 | 69.4% | 0 |
| January 2025 | 36 | 36 | 75.0% | 0 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 54 | 54 | 90.7% | 0 |
| April 2025 | 60 | 60 | 83.3% | 0 |
| May 2025 | 37 | 37 | 83.8% | 0 |
| June 2025 | 48 | 48 | 77.1% | 0 |
| July 2025 | 56 | 56 | 73.2% | 0 |
| August 2025 | 60 | 60 | 68.3% | 0 |
| September 2025 | 60 | 60 | 86.7% | 0 |
| October 2025 | 62 | 62 | 79.0% | 0 |
| November 2025 | 58 | 56 | 89.3% | 2 |
| December 2025 | 62 | 62 | 59.7% | 0 |
| January 2026 | 58 | 58 | 72.4% | 0 |
| February 2026 | 55 | 55 | 85.5% | 0 |
| March 2026 | 62 | 62 | 91.9% | 0 |
| April 2026 | 60 | 60 | 80.0% | 0 |
| May 2026 | 62 | 60 | 86.7% | 2 |
| June 2026 | 60 | 60 | 61.7% | 0 |
| July 2026 | 62 | 62 | 72.6% | 0 |