DL809
DL809 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Atlanta to San Jose. Of 1,274 departures recorded from October 2024 to July 2026, 91.1% left on time, according to the US BTS.
- On-time departures91.1%of 1,274 flights
- Average delay4.2 min
- July 202662▲ 0.0%vs July 2025
- Cancelled0.8%
- Legs flown under this number2
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 | 54 | 62 | ▲ 14.8% |
| February | 44 | 56 | ▲ 27.3% |
| March | 52 | 62 | ▲ 19.2% |
| April | 52 | 60 | ▲ 15.4% |
| May | 60 | 62 | ▲ 3.3% |
| June | 60 | 60 | 0.0% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 59 | – | – |
| December | 62 | – | – |
| Year to date (Jan–Jul) | 384 | 424 | ▲ 10.4% |
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 | 82.7% | 86.9% | ▲ 5.1% |
| February | 84.1% | 91.1% | ▲ 8.3% |
| March | 96.2% | 91.8% | ▼ 4.5% |
| April | 94.2% | 94.8% | ▲ 0.6% |
| May | 94.9% | 86.9% | ▼ 8.5% |
| June | 85.0% | 95.0% | ▲ 11.8% |
| July | 87.1% | 87.1% | 0.0% |
| August | 90.3% | – | – |
| September | 93.3% | – | – |
| October | 96.8% | – | in progress |
| November | 93.0% | – | – |
| December | 90.3% | – | – |
| Year-to-date average (Jan–Jul) | 89.2% | 90.5% | ▲ 1.5% |
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 | 2 | 1 | ▼ 50.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 2 | – |
| May | 1 | 1 | 0.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 5 | ▲ 66.7% |
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 99.2% 1,264
- Cancelled 0.8% 10
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 SJC Hartsfield Jackson Atlanta International Airport – Mineta San Jose International Airport | 3,398 | 1.1 min | 92.3% | 638 |
| SJC ATL Mineta San Jose International Airport – Hartsfield Jackson Atlanta International Airport | 3,398 | 7.4 min | 90.0% | 636 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 92.5% | 0 |
| November 2024 | 59 | 59 | 91.5% | 0 |
| December 2024 | 62 | 62 | 98.4% | 0 |
| January 2025 | 54 | 52 | 82.7% | 2 |
| February 2025 | 44 | 44 | 84.1% | 0 |
| March 2025 | 52 | 52 | 96.2% | 0 |
| April 2025 | 52 | 52 | 94.2% | 0 |
| May 2025 | 60 | 59 | 94.9% | 1 |
| June 2025 | 60 | 60 | 85.0% | 0 |
| July 2025 | 62 | 62 | 87.1% | 0 |
| August 2025 | 62 | 62 | 90.3% | 0 |
| September 2025 | 60 | 60 | 93.3% | 0 |
| October 2025 | 62 | 62 | 96.8% | 0 |
| November 2025 | 59 | 57 | 93.0% | 2 |
| December 2025 | 62 | 62 | 90.3% | 0 |
| January 2026 | 62 | 61 | 86.9% | 1 |
| February 2026 | 56 | 56 | 91.1% | 0 |
| March 2026 | 62 | 61 | 91.8% | 1 |
| April 2026 | 60 | 58 | 94.8% | 2 |
| May 2026 | 62 | 61 | 86.9% | 1 |
| June 2026 | 60 | 60 | 95.0% | 0 |
| July 2026 | 62 | 62 | 87.1% | 0 |