DL3123
DL3123 (Delta Air Lines) is a multi-stop service on 3 routes, busiest Salt Lake City to San Antonio. Of 230 departures recorded from January 2025 to July 2026, 83.7% left on time, according to the US BTS.
- On-time departures83.7%of 230 flights
- Average delay4.2 min
- July 202631
- Cancelled1.3%
- Legs flown under this number3
Recorded departures by month
Short series — DL3123 has only 11 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods11 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 8 | 31 | ▲ 287.5% |
| February | – | 28 | – |
| March | – | 28 | – |
| April | 2 | 28 | ▲ 1,300.0% |
| May | 1 | 31 | ▲ 3,000.0% |
| June | – | 30 | – |
| July | – | 31 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 12 | – | – |
according to the US BTS · January 2025 → July 2026
On-time departures by month
Short series — DL3123 has only 11 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods11 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 71.4% | 80.7% | ▲ 12.9% |
| February | – | 85.7% | – |
| March | – | 81.5% | – |
| April | 100.0% | 88.9% | ▼ 11.1% |
| May | 100.0% | 83.9% | ▼ 16.1% |
| June | – | 80.0% | – |
| July | – | 90.3% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 75.0% | – | – |
according to the US BTS · January 2025 → July 2026
Average departure delay by month
Short series — DL3123 has only 11 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · January 2025 → July 2026
Cancelled departures by month
Short series — DL3123 has only 11 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods11 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | – | 0 | – |
| March | – | 1 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 0 | – | – |
according to the US BTS · January 2025 → 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 98.7% 227
- Cancelled 1.3% 3
Share of all recorded flights in the period, all legs. · Jan 6, 2025 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SLC SAT Salt Lake City International Airport – San Antonio International Airport | 1,749 | 4.3 min | 83.9% | 219 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| January 2025 | 8 | 7 | 71.4% | 1 |
| April 2025 | 2 | 2 | 100.0% | 0 |
| May 2025 | 1 | 1 | 100.0% | 0 |
| December 2025 | 12 | 12 | 75.0% | 0 |
| January 2026 | 31 | 31 | 80.7% | 0 |
| February 2026 | 28 | 28 | 85.7% | 0 |
| March 2026 | 28 | 27 | 81.5% | 1 |
| April 2026 | 28 | 27 | 88.9% | 1 |
| May 2026 | 31 | 31 | 83.9% | 0 |
| June 2026 | 30 | 30 | 80.0% | 0 |
| July 2026 | 31 | 31 | 90.3% | 0 |