DL1277
DL1277 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Salt Lake City to Santa Ana. Of 1,272 departures recorded from October 2024 to July 2026, 81.7% left on time, according to the US BTS.
- On-time departures81.7%of 1,272 flights
- Average delay7.8 min
- July 202654▼ 12.9%vs July 2025
- Cancelled0.6%
- 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 | 62 | 62 | 0.0% |
| February | 56 | 39 | ▼ 30.4% |
| March | 62 | 55 | ▼ 11.3% |
| April | 60 | 60 | 0.0% |
| May | 62 | 62 | 0.0% |
| June | 60 | 56 | ▼ 6.7% |
| July | 62 | 54 | ▼ 12.9% |
| August | 58 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 58 | – | – |
| December | 62 | – | – |
| Year to date (Jan–Jul) | 424 | 388 | ▼ 8.5% |
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 | 73.8% | 70.0% | ▼ 5.1% |
| February | 89.3% | 82.1% | ▼ 8.1% |
| March | 87.1% | 92.7% | ▲ 6.5% |
| April | 81.7% | 85.0% | ▲ 4.1% |
| May | 71.0% | 96.8% | ▲ 36.4% |
| June | 65.0% | 80.4% | ▲ 23.6% |
| July | 82.3% | 79.6% | ▼ 3.2% |
| August | 91.4% | – | – |
| September | 88.3% | – | – |
| October | 75.8% | – | in progress |
| November | 76.8% | – | – |
| December | 73.3% | – | – |
| Year-to-date average (Jan–Jul) | 78.6% | 83.8% | ▲ 6.6% |
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 | 1 | 2 | ▲ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 1 | 2 | ▲ 100.0% |
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 99.4% 1,265
- Cancelled 0.6% 7
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 SNA Salt Lake City International Airport – John Wayne Orange County International Airport | 947 | 7.4 min | 82.6% | 648 |
| SNA SLC John Wayne Orange County International Airport – Salt Lake City International Airport | 947 | 8.1 min | 80.7% | 624 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 90.0% | 0 |
| November 2024 | 58 | 58 | 93.1% | 0 |
| December 2024 | 62 | 62 | 75.8% | 0 |
| January 2025 | 62 | 61 | 73.8% | 1 |
| February 2025 | 56 | 56 | 89.3% | 0 |
| March 2025 | 62 | 62 | 87.1% | 0 |
| April 2025 | 60 | 60 | 81.7% | 0 |
| May 2025 | 62 | 62 | 71.0% | 0 |
| June 2025 | 60 | 60 | 65.0% | 0 |
| July 2025 | 62 | 62 | 82.3% | 0 |
| August 2025 | 58 | 58 | 91.4% | 0 |
| September 2025 | 60 | 60 | 88.3% | 0 |
| October 2025 | 62 | 62 | 75.8% | 0 |
| November 2025 | 58 | 56 | 76.8% | 2 |
| December 2025 | 62 | 60 | 73.3% | 2 |
| January 2026 | 62 | 60 | 70.0% | 2 |
| February 2026 | 39 | 39 | 82.1% | 0 |
| March 2026 | 55 | 55 | 92.7% | 0 |
| April 2026 | 60 | 60 | 85.0% | 0 |
| May 2026 | 62 | 62 | 96.8% | 0 |
| June 2026 | 56 | 56 | 80.4% | 0 |
| July 2026 | 54 | 54 | 79.6% | 0 |