DL1045
DL1045 (Delta Air Lines) is a multi-stop service on 3 routes, busiest Los Angeles to Seattle. Of 638 departures recorded from October 2024 to July 2026, 82.2% left on time, according to the US BTS.
- On-time departures82.2%of 638 flights
- Average delay9.2 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.5%
- Legs flown under this number3
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 | 26 | ▼ 13.3% |
| February | 28 | 23 | ▼ 17.9% |
| March | 31 | 28 | ▼ 9.7% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 28 | – | – |
| Year to date (Jan–Jul) | 211 | 199 | ▼ 5.7% |
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 | 100.0% | 76.9% | ▼ 23.1% |
| February | 89.3% | 77.3% | ▼ 13.5% |
| March | 74.2% | 81.5% | ▲ 9.8% |
| April | 73.3% | 100.0% | ▲ 36.4% |
| May | 67.7% | 87.1% | ▲ 28.6% |
| June | 60.0% | 66.7% | ▲ 11.1% |
| July | 87.1% | 90.3% | ▲ 3.7% |
| August | 80.7% | – | – |
| September | 93.3% | – | – |
| October | 87.1% | – | in progress |
| November | 83.3% | – | – |
| December | 85.2% | – | – |
| Year-to-date average (Jan–Jul) | 78.8% | 82.8% | ▲ 5.1% |
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 | 1 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| 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 99.5% 635
- Cancelled 0.5% 3
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 |
|---|---|---|---|---|
| LAX SEA Los Angeles International Airport – Seattle–Tacoma International Airport | 1,537 | 8.2 min | 82.5% | 612 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 30 | 30 | 86.7% | 0 |
| December 2024 | 28 | 28 | 75.0% | 0 |
| January 2025 | 30 | 30 | 100.0% | 0 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 31 | 31 | 74.2% | 0 |
| April 2025 | 30 | 30 | 73.3% | 0 |
| May 2025 | 31 | 31 | 67.7% | 0 |
| June 2025 | 30 | 30 | 60.0% | 0 |
| July 2025 | 31 | 31 | 87.1% | 0 |
| August 2025 | 31 | 31 | 80.7% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 87.1% | 0 |
| November 2025 | 30 | 30 | 83.3% | 0 |
| December 2025 | 28 | 27 | 85.2% | 1 |
| January 2026 | 26 | 26 | 76.9% | 0 |
| February 2026 | 23 | 22 | 77.3% | 1 |
| March 2026 | 28 | 27 | 81.5% | 1 |
| April 2026 | 30 | 30 | 100.0% | 0 |
| May 2026 | 31 | 31 | 87.1% | 0 |
| June 2026 | 30 | 30 | 66.7% | 0 |
| July 2026 | 31 | 31 | 90.3% | 0 |