DL648
DL648 (Delta Air Lines) is a multi-stop service on 4 routes, busiest Atlanta to Seattle. Of 258 departures recorded from May 2025 to July 2026, 80.5% left on time, according to the US BTS.
- On-time departures80.5%of 258 flights
- Average delay13.9 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.4%
- Legs flown under this number4
Recorded departures by month
Short series — DL648 has only 9 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods9 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | 40 | 25 | ▼ 37.5% |
| June | 35 | 30 | ▼ 14.3% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 5 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · May 2025 → July 2026
On-time departures by month
Short series — DL648 has only 9 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods9 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | 70.0% | 64.0% | ▼ 8.6% |
| June | 82.4% | 83.3% | ▲ 1.2% |
| July | 83.9% | 71.0% | ▼ 15.4% |
| August | 93.6% | – | – |
| September | 93.3% | – | – |
| October | 100.0% | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · May 2025 → July 2026
Average departure delay by month
Short series — DL648 has only 9 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · May 2025 → July 2026
Cancelled departures by month
Short series — DL648 has only 9 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods9 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · May 2025 → 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 99.6% 257
- Cancelled 0.4% 1
Share of all recorded flights in the period, all legs. · May 7, 2025 → 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 | 13.1 min | 86.3% | 175 |
| LGA MSP LaGuardia Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 1,638 | 23.9 min | 64.5% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| May 2025 | 40 | 40 | 70.0% | 0 |
| June 2025 | 35 | 34 | 82.4% | 1 |
| July 2025 | 31 | 31 | 83.9% | 0 |
| August 2025 | 31 | 31 | 93.6% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 5 | 5 | 100.0% | 0 |
| May 2026 | 25 | 25 | 64.0% | 0 |
| June 2026 | 30 | 30 | 83.3% | 0 |
| July 2026 | 31 | 31 | 71.0% | 0 |