DL2640
DL2640 (Delta Air Lines) flies Los Angeles to Seattle. Of 623 departures recorded from October 2024 to July 2026, 80.5% left on time, according to the US BTS.
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 19 | 30 | ▲ 57.9% |
| February | 16 | 28 | ▲ 75.0% |
| March | 27 | 31 | ▲ 14.8% |
| 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) | 184 | 211 | ▲ 14.7% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 94.7% | 80.0% | ▼ 15.6% |
| February | 75.0% | 74.1% | ▼ 1.2% |
| March | 92.6% | 70.0% | ▼ 24.4% |
| April | 90.0% | 76.7% | ▼ 14.8% |
| May | 87.1% | 64.5% | ▼ 25.9% |
| June | 86.7% | 76.7% | ▼ 11.5% |
| July | 80.7% | 87.1% | ▲ 8.0% |
| August | 83.9% | – | – |
| September | 76.7% | – | – |
| October | 83.9% | – | in progress |
| November | 75.9% | – | – |
| December | 78.6% | – | – |
| Year-to-date average (Jan–Jul) | 86.7% | 75.6% | ▼ 12.8% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 2 |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 99.5% 620
- 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 | 8.5 min | 80.5% | 623 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 30 | 30 | 73.3% | 0 |
| December 2024 | 28 | 28 | 75.0% | 0 |
| January 2025 | 19 | 19 | 94.7% | 0 |
| February 2025 | 16 | 16 | 75.0% | 0 |
| March 2025 | 27 | 27 | 92.6% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 30 | 30 | 86.7% | 0 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 31 | 31 | 83.9% | 0 |
| September 2025 | 30 | 30 | 76.7% | 0 |
| October 2025 | 31 | 31 | 83.9% | 0 |
| November 2025 | 30 | 29 | 75.9% | 1 |
| December 2025 | 28 | 28 | 78.6% | 0 |
| January 2026 | 30 | 30 | 80.0% | 0 |
| February 2026 | 28 | 27 | 74.1% | 1 |
| March 2026 | 31 | 30 | 70.0% | 1 |
| April 2026 | 30 | 30 | 76.7% | 0 |
| May 2026 | 31 | 31 | 64.5% | 0 |
| June 2026 | 30 | 30 | 76.7% | 0 |
| July 2026 | 31 | 31 | 87.1% | 0 |