DL505
DL505 (Delta Air Lines) is a multi-stop service on 12 routes, busiest Minneapolis to Seattle. Of 485 departures recorded from October 2024 to July 2026, 75.5% left on time, according to the US BTS.
- On-time departures75.5%of 485 flights
- Average delay14.8 min
- July 202628▼ 20.0%vs July 2025
- Cancelled2.5%
- Legs flown under this number12
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 | 18 | 32 | ▲ 77.8% |
| February | 22 | 39 | ▲ 77.3% |
| March | 20 | 21 | ▲ 5.0% |
| April | 17 | 17 | 0.0% |
| May | 22 | 23 | ▲ 4.5% |
| June | 32 | 20 | ▼ 37.5% |
| July | 35 | 28 | ▼ 20.0% |
| August | 20 | – | – |
| September | 17 | – | – |
| October | 26 | – | in progress |
| November | 24 | – | – |
| December | 22 | – | – |
| Year to date (Jan–Jul) | 166 | 180 | ▲ 8.4% |
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 | 72.2% | 66.7% | ▼ 7.7% |
| February | 77.3% | 94.4% | ▲ 22.2% |
| March | 65.0% | 100.0% | ▲ 53.8% |
| April | 70.6% | 82.4% | ▲ 16.7% |
| May | 68.2% | 82.6% | ▲ 21.2% |
| June | 58.6% | 75.0% | ▲ 27.9% |
| July | 61.8% | 53.6% | ▼ 13.3% |
| August | 70.0% | – | – |
| September | 88.2% | – | – |
| October | 84.6% | – | in progress |
| November | 87.5% | – | – |
| December | 71.4% | – | – |
| Year-to-date average (Jan–Jul) | 67.7% | 79.2% | ▲ 17.1% |
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 | 2 | – |
| February | 0 | 3 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 3 | 0 | ▼ 100.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 4 | 7 | ▲ 75.0% |
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 97.5% 473
- Cancelled 2.5% 12
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MSP SEA Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Seattle–Tacoma International Airport | 2,245 | 13.8 min | 74.1% | 367 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 9 | 9 | 88.9% | 0 |
| November 2024 | 10 | 10 | 100.0% | 0 |
| December 2024 | 11 | 11 | 72.7% | 0 |
| January 2025 | 18 | 18 | 72.2% | 0 |
| February 2025 | 22 | 22 | 77.3% | 0 |
| March 2025 | 20 | 20 | 65.0% | 0 |
| April 2025 | 17 | 17 | 70.6% | 0 |
| May 2025 | 22 | 22 | 68.2% | 0 |
| June 2025 | 32 | 29 | 58.6% | 3 |
| July 2025 | 35 | 34 | 61.8% | 1 |
| August 2025 | 20 | 20 | 70.0% | 0 |
| September 2025 | 17 | 17 | 88.2% | 0 |
| October 2025 | 26 | 26 | 84.6% | 0 |
| November 2025 | 24 | 24 | 87.5% | 0 |
| December 2025 | 22 | 21 | 71.4% | 1 |
| January 2026 | 32 | 30 | 66.7% | 2 |
| February 2026 | 39 | 36 | 94.4% | 3 |
| March 2026 | 21 | 19 | 100.0% | 2 |
| April 2026 | 17 | 17 | 82.4% | 0 |
| May 2026 | 23 | 23 | 82.6% | 0 |
| June 2026 | 20 | 20 | 75.0% | 0 |
| July 2026 | 28 | 28 | 53.6% | 0 |