DL731
DL731 (Delta Air Lines) is a multi-stop service on 5 routes, busiest Atlanta to San Diego. Of 741 departures recorded from October 2024 to July 2026, 76.0% left on time, according to the US BTS.
- On-time departures76.0%of 741 flights
- Average delay15.3 min
- July 202662▲ 113.8%vs July 2025
- Cancelled0.4%
- Legs flown under this number5
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 | 35 | 35 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 52 | ▲ 67.7% |
| April | 30 | 38 | ▲ 26.7% |
| May | 31 | 53 | ▲ 71.0% |
| June | 18 | 60 | ▲ 233.3% |
| July | 29 | 62 | ▲ 113.8% |
| August | 27 | – | – |
| September | 26 | – | – |
| October | 23 | – | in progress |
| November | 20 | – | – |
| December | 40 | – | – |
| Year to date (Jan–Jul) | 202 | 328 | ▲ 62.4% |
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 | 70.6% | 68.6% | ▼ 2.9% |
| February | 75.0% | 85.7% | ▲ 14.3% |
| March | 67.7% | 80.8% | ▲ 19.2% |
| April | 93.3% | 86.8% | ▼ 7.0% |
| May | 64.5% | 67.9% | ▲ 5.3% |
| June | 50.0% | 85.0% | ▲ 70.0% |
| July | 78.6% | 72.6% | ▼ 7.6% |
| August | 77.8% | – | – |
| September | 76.9% | – | – |
| October | 87.0% | – | in progress |
| November | 70.0% | – | – |
| December | 64.1% | – | – |
| Year-to-date average (Jan–Jul) | 71.4% | 78.2% | ▲ 9.5% |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 2 | 0 | ▼ 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 99.6% 738
- Cancelled 0.4% 3
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL SAN Hartsfield Jackson Atlanta International Airport – San Diego International Airport | 3,038 | 13.5 min | 73.0% | 316 |
| DTW ORF Detroit Metropolitan Wayne County Airport – Norfolk International Airport | 851 | 7.5 min | 77.8% | 137 |
| SAN ATL San Diego International Airport – Hartsfield Jackson Atlanta International Airport | 3,038 | 28.2 min | 82.2% | 118 |
| ILM ATL Wilmington International Airport – Hartsfield Jackson Atlanta International Airport | 606 | 24.6 min | 68.2% | 85 |
| ATL ILM Hartsfield Jackson Atlanta International Airport – Wilmington International Airport | 606 | 7.1 min | 83.5% | 85 |
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 | 25 | 25 | 56.0% | 0 |
| January 2025 | 35 | 34 | 70.6% | 1 |
| February 2025 | 28 | 28 | 75.0% | 0 |
| March 2025 | 31 | 31 | 67.7% | 0 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 31 | 31 | 64.5% | 0 |
| June 2025 | 18 | 18 | 50.0% | 0 |
| July 2025 | 29 | 28 | 78.6% | 1 |
| August 2025 | 27 | 27 | 77.8% | 0 |
| September 2025 | 26 | 26 | 76.9% | 0 |
| October 2025 | 23 | 23 | 87.0% | 0 |
| November 2025 | 20 | 20 | 70.0% | 0 |
| December 2025 | 40 | 39 | 64.1% | 1 |
| January 2026 | 35 | 35 | 68.6% | 0 |
| February 2026 | 28 | 28 | 85.7% | 0 |
| March 2026 | 52 | 52 | 80.8% | 0 |
| April 2026 | 38 | 38 | 86.8% | 0 |
| May 2026 | 53 | 53 | 67.9% | 0 |
| June 2026 | 60 | 60 | 85.0% | 0 |
| July 2026 | 62 | 62 | 72.6% | 0 |