DL481
DL481 (Delta Air Lines) is a multi-stop service on 3 routes, busiest Atlanta to Seattle. Of 642 departures recorded from October 2024 to July 2026, 83.6% left on time, according to the US BTS.
- On-time departures83.6%of 642 flights
- Average delay11.3 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.3%
- 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 | 31 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 28 | 30 | ▲ 7.1% |
| May | 30 | 31 | ▲ 3.3% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 28 | – | – |
| September | 26 | – | – |
| October | 30 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 209 | 212 | ▲ 1.4% |
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 | 66.7% | 96.8% | ▲ 45.1% |
| February | 78.6% | 92.9% | ▲ 18.2% |
| March | 83.9% | 74.2% | ▼ 11.5% |
| April | 85.2% | 96.7% | ▲ 13.5% |
| May | 83.3% | 90.3% | ▲ 8.4% |
| June | 90.0% | 86.7% | ▼ 3.7% |
| July | 83.9% | 83.9% | 0.0% |
| August | 71.4% | – | – |
| September | 73.1% | – | – |
| October | 76.7% | – | in progress |
| November | 89.7% | – | – |
| December | 77.4% | – | – |
| Year-to-date average (Jan–Jul) | 81.6% | 88.8% | ▲ 8.7% |
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 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 0 | ▼ 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 99.7% 640
- Cancelled 0.3% 2
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 |
|---|---|---|---|---|
| ATL SEA Hartsfield Jackson Atlanta International Airport – Seattle–Tacoma International Airport | 3,505 | 9.6 min | 85.0% | 594 |
| SNA SEA John Wayne Orange County International Airport – Seattle–Tacoma International Airport | 1,576 | 30.4 min | 68.1% | 47 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 87.5% | 0 |
| November 2024 | 30 | 30 | 96.7% | 0 |
| December 2024 | 31 | 31 | 74.2% | 0 |
| January 2025 | 31 | 30 | 66.7% | 1 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 31 | 31 | 83.9% | 0 |
| April 2025 | 28 | 27 | 85.2% | 1 |
| May 2025 | 30 | 30 | 83.3% | 0 |
| June 2025 | 30 | 30 | 90.0% | 0 |
| July 2025 | 31 | 31 | 83.9% | 0 |
| August 2025 | 28 | 28 | 71.4% | 0 |
| September 2025 | 26 | 26 | 73.1% | 0 |
| October 2025 | 30 | 30 | 76.7% | 0 |
| November 2025 | 29 | 29 | 89.7% | 0 |
| December 2025 | 31 | 31 | 77.4% | 0 |
| January 2026 | 31 | 31 | 96.8% | 0 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 31 | 31 | 74.2% | 0 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 31 | 31 | 90.3% | 0 |
| June 2026 | 30 | 30 | 86.7% | 0 |
| July 2026 | 31 | 31 | 83.9% | 0 |