DL1447
DL1447 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Salt Lake City to Phoenix. Of 1,152 departures recorded from October 2024 to July 2026, 91.3% left on time, according to the US BTS.
- On-time departures91.3%of 1,152 flights
- Average delay0.7 min
- July 202662▲ 0.0%vs July 2025
- Cancelled0.9%
- 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 | 56 | 0.0% |
| March | 62 | 62 | 0.0% |
| April | 60 | 60 | 0.0% |
| May | 62 | 37 | ▼ 40.3% |
| June | 60 | 54 | ▼ 10.0% |
| July | 62 | 62 | 0.0% |
| August | 41 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 28 | – | – |
| December | 43 | – | – |
| Year to date (Jan–Jul) | 424 | 393 | ▼ 7.3% |
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 | 80.7% | 96.8% | ▲ 20.0% |
| February | 78.6% | 94.4% | ▲ 20.2% |
| March | 85.5% | 98.3% | ▲ 15.0% |
| April | 88.3% | 98.3% | ▲ 11.3% |
| May | 96.8% | 100.0% | ▲ 3.3% |
| June | 86.7% | 96.3% | ▲ 11.1% |
| July | 96.8% | 96.8% | 0.0% |
| August | 92.7% | – | – |
| September | 100.0% | – | – |
| October | 87.1% | – | in progress |
| November | 77.8% | – | – |
| December | 90.5% | – | – |
| Year-to-date average (Jan–Jul) | 87.6% | 97.3% | ▲ 11.0% |
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 | 2 | – |
| March | 0 | 2 | – |
| April | 0 | 2 | – |
| May | 0 | 2 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 0 | 8 |
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% 1,142
- Cancelled 0.9% 10
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 PHX Salt Lake City International Airport – Phoenix Sky Harbor International Airport | 818 | 1.0 min | 91.1% | 656 |
| PHX SLC Phoenix Sky Harbor International Airport – Salt Lake City International Airport | 818 | 0.2 min | 91.7% | 496 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 87.5% | 0 |
| November 2024 | 60 | 60 | 90.0% | 0 |
| December 2024 | 62 | 62 | 87.1% | 0 |
| January 2025 | 62 | 62 | 80.7% | 0 |
| February 2025 | 56 | 56 | 78.6% | 0 |
| March 2025 | 62 | 62 | 85.5% | 0 |
| April 2025 | 60 | 60 | 88.3% | 0 |
| May 2025 | 62 | 62 | 96.8% | 0 |
| June 2025 | 60 | 60 | 86.7% | 0 |
| July 2025 | 62 | 62 | 96.8% | 0 |
| August 2025 | 41 | 41 | 92.7% | 0 |
| September 2025 | 30 | 30 | 100.0% | 0 |
| October 2025 | 31 | 31 | 87.1% | 0 |
| November 2025 | 28 | 27 | 77.8% | 1 |
| December 2025 | 43 | 42 | 90.5% | 1 |
| January 2026 | 62 | 62 | 96.8% | 0 |
| February 2026 | 56 | 54 | 94.4% | 2 |
| March 2026 | 62 | 60 | 98.3% | 2 |
| April 2026 | 60 | 58 | 98.3% | 2 |
| May 2026 | 37 | 35 | 100.0% | 2 |
| June 2026 | 54 | 54 | 96.3% | 0 |
| July 2026 | 62 | 62 | 96.8% | 0 |