DL315
DL315 (Delta Air Lines) is a multi-stop service on 12 routes, busiest Atlanta to Jackson. Of 511 departures recorded from October 2024 to July 2026, 71.4% left on time, according to the US BTS.
- On-time departures71.4%of 511 flights
- Average delay15.9 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.6%
- 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 | 26 | 29 | ▲ 11.5% |
| February | 22 | 25 | ▲ 13.6% |
| March | 29 | 27 | ▼ 6.9% |
| April | 22 | 10 | ▼ 54.5% |
| May | 25 | 1 | ▼ 96.0% |
| June | 29 | 25 | ▼ 13.8% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 30 | – | – |
| December | 22 | – | – |
| Year to date (Jan–Jul) | 184 | 148 | ▼ 19.6% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 80.8% | 71.4% | ▼ 11.6% |
| February | 59.1% | 68.2% | ▲ 15.4% |
| March | 79.3% | 73.1% | ▼ 7.9% |
| April | 77.3% | 70.0% | ▼ 9.4% |
| May | 48.0% | – | – |
| June | 46.4% | 100.0% | ▲ 115.4% |
| July | 51.6% | 54.8% | ▲ 6.3% |
| August | 74.2% | – | – |
| September | 83.3% | – | – |
| October | 63.3% | – | in progress |
| November | 86.7% | – | – |
| December | 95.2% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
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 | 1 | – |
| February | 0 | 3 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 6 | ▲ 500.0% |
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 98.4% 503
- Cancelled 1.6% 8
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL JAC Hartsfield Jackson Atlanta International Airport – Jackson Hole Airport | 2,526 | 16.0 min | 67.8% | 175 |
| SFO ATL San Francisco International Airport – Hartsfield Jackson Atlanta International Airport | 3,435 | 16.3 min | 74.6% | 115 |
| BOS FLL Boston Logan International Airport – Fort Lauderdale Hollywood International Airport | 1,994 | 15.7 min | 70.5% | 100 |
| SEA PHX Seattle–Tacoma International Airport – Phoenix Sky Harbor International Airport | 1,782 | 4.1 min | 77.8% | 36 |
| JFK SLC John F. Kennedy International Airport – Salt Lake City International Airport | 3,194 | 18.7 min | 71.0% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 83.3% | 0 |
| November 2024 | 9 | 9 | 88.9% | 0 |
| December 2024 | 15 | 15 | 66.7% | 0 |
| January 2025 | 26 | 26 | 80.8% | 0 |
| February 2025 | 22 | 22 | 59.1% | 0 |
| March 2025 | 29 | 29 | 79.3% | 0 |
| April 2025 | 22 | 22 | 77.3% | 0 |
| May 2025 | 25 | 25 | 48.0% | 0 |
| June 2025 | 29 | 28 | 46.4% | 1 |
| July 2025 | 31 | 31 | 51.6% | 0 |
| August 2025 | 31 | 31 | 74.2% | 0 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 30 | 30 | 63.3% | 0 |
| November 2025 | 30 | 30 | 86.7% | 0 |
| December 2025 | 22 | 21 | 95.2% | 1 |
| January 2026 | 29 | 28 | 71.4% | 1 |
| February 2026 | 25 | 22 | 68.2% | 3 |
| March 2026 | 27 | 26 | 73.1% | 1 |
| April 2026 | 10 | 10 | 70.0% | 0 |
| May 2026 | 1 | 0 | — | 1 |
| June 2026 | 25 | 25 | 100.0% | 0 |
| July 2026 | 31 | 31 | 54.8% | 0 |