DL544
DL544 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Detroit to Las Vegas. Of 571 departures recorded from October 2024 to July 2026, 74.9% left on time, according to the US BTS.
- On-time departures74.9%of 571 flights
- Average delay13.1 min
- July 202631▲ 10.7%vs July 2025
- Cancelled0.2%
- 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 | 30 | 30 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 30 | ▼ 3.2% |
| June | 23 | 30 | ▲ 30.4% |
| July | 28 | 31 | ▲ 10.7% |
| August | 20 | – | – |
| September | 15 | – | – |
| October | 24 | – | in progress |
| November | 20 | – | – |
| December | 10 | – | – |
| Year to date (Jan–Jul) | 201 | 210 | ▲ 4.5% |
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 | 73.3% | 56.7% | ▼ 22.7% |
| February | 78.6% | 57.1% | ▼ 27.3% |
| March | 64.5% | 83.9% | ▲ 30.0% |
| April | 80.0% | 93.3% | ▲ 16.7% |
| May | 87.1% | 89.7% | ▲ 2.9% |
| June | 69.6% | 56.7% | ▼ 18.5% |
| July | 78.6% | 41.9% | ▼ 46.6% |
| August | 85.0% | – | – |
| September | 73.3% | – | – |
| October | 83.3% | – | in progress |
| November | 75.0% | – | – |
| December | 60.0% | – | – |
| Year-to-date average (Jan–Jul) | 76.0% | 68.5% | ▼ 9.9% |
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 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 1 |
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 99.8% 570
- Cancelled 0.2% 1
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DTW LAS Detroit Metropolitan Wayne County Airport – Harry Reid International Airport | 2,808 | 13.3 min | 74.6% | 561 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 83.3% | 0 |
| November 2024 | 25 | 25 | 88.0% | 0 |
| December 2024 | 28 | 28 | 89.3% | 0 |
| January 2025 | 30 | 30 | 73.3% | 0 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 31 | 31 | 64.5% | 0 |
| April 2025 | 30 | 30 | 80.0% | 0 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 23 | 23 | 69.6% | 0 |
| July 2025 | 28 | 28 | 78.6% | 0 |
| August 2025 | 20 | 20 | 85.0% | 0 |
| September 2025 | 15 | 15 | 73.3% | 0 |
| October 2025 | 24 | 24 | 83.3% | 0 |
| November 2025 | 20 | 20 | 75.0% | 0 |
| December 2025 | 10 | 10 | 60.0% | 0 |
| January 2026 | 30 | 30 | 56.7% | 0 |
| February 2026 | 28 | 28 | 57.1% | 0 |
| March 2026 | 31 | 31 | 83.9% | 0 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 30 | 29 | 89.7% | 1 |
| June 2026 | 30 | 30 | 56.7% | 0 |
| July 2026 | 31 | 31 | 41.9% | 0 |