DL654
DL654 (Delta Air Lines) is a multi-stop service on 2 routes, busiest San Jose to Atlanta. Of 714 departures recorded from October 2024 to July 2026, 93.5% left on time, according to the US BTS.
- On-time departures93.5%of 714 flights
- Average delay2.6 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.3%
- 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 | 31 | 28 | ▼ 9.7% |
| February | 28 | 45 | ▲ 60.7% |
| March | 31 | 62 | ▲ 100.0% |
| April | 30 | 42 | ▲ 40.0% |
| May | 31 | 30 | ▼ 3.2% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 212 | 268 | ▲ 26.4% |
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 | 83.3% | 85.2% | ▲ 2.2% |
| February | 96.4% | 97.8% | ▲ 1.4% |
| March | 90.3% | 80.3% | ▼ 11.1% |
| April | 100.0% | 97.6% | ▼ 2.4% |
| May | 96.8% | 93.3% | ▼ 3.6% |
| June | 93.1% | 93.1% | 0.0% |
| July | 93.6% | 100.0% | ▲ 6.9% |
| August | 93.3% | – | – |
| September | 100.0% | – | – |
| October | 93.6% | – | in progress |
| November | 93.1% | – | – |
| December | 96.7% | – | – |
| Year-to-date average (Jan–Jul) | 93.4% | 92.5% | ▼ 0.9% |
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 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 1 | 0.0% |
| July | 0 | 1 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 2 | 4 | ▲ 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 98.7% 705
- Cancelled 1.3% 9
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 |
|---|---|---|---|---|
| SJC ATL Mineta San Jose International Airport – Hartsfield Jackson Atlanta International Airport | 3,398 | 2.0 min | 94.3% | 654 |
| ATL SJC Hartsfield Jackson Atlanta International Airport – Mineta San Jose International Airport | 3,398 | 8.3 min | 84.8% | 60 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 31 | 31 | 100.0% | 0 |
| January 2025 | 31 | 30 | 83.3% | 1 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 31 | 31 | 90.3% | 0 |
| April 2025 | 30 | 30 | 100.0% | 0 |
| May 2025 | 31 | 31 | 96.8% | 0 |
| June 2025 | 30 | 29 | 93.1% | 1 |
| July 2025 | 31 | 31 | 93.6% | 0 |
| August 2025 | 31 | 30 | 93.3% | 1 |
| September 2025 | 30 | 30 | 100.0% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 30 | 29 | 93.1% | 1 |
| December 2025 | 31 | 30 | 96.7% | 1 |
| January 2026 | 28 | 27 | 85.2% | 1 |
| February 2026 | 45 | 45 | 97.8% | 0 |
| March 2026 | 62 | 61 | 80.3% | 1 |
| April 2026 | 42 | 42 | 97.6% | 0 |
| May 2026 | 30 | 30 | 93.3% | 0 |
| June 2026 | 30 | 29 | 93.1% | 1 |
| July 2026 | 31 | 30 | 100.0% | 1 |