DL3178
DL3178 (Delta Air Lines) is a multi-stop service on 3 routes, busiest Atlanta to Gulfport. Of 786 departures recorded from October 2024 to July 2026, 74.2% left on time, according to the US BTS.
- On-time departures74.2%of 786 flights
- Average delay14.4 min
- July 202631▼ 32.6%vs July 2025
- Cancelled1.4%
- Legs flown under this number3
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 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 43 | 30 | ▼ 30.2% |
| July | 46 | 31 | ▼ 32.6% |
| August | 52 | – | – |
| September | 52 | – | – |
| October | 52 | – | in progress |
| November | 52 | – | – |
| December | 46 | – | – |
| Year to date (Jan–Jul) | 240 | 212 | ▼ 11.7% |
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 | 85.2% | 86.2% | ▲ 1.2% |
| February | 78.6% | 85.7% | ▲ 9.1% |
| March | 71.0% | 74.2% | ▲ 4.5% |
| April | 83.3% | 82.8% | ▼ 0.7% |
| May | 64.5% | 77.4% | ▲ 20.0% |
| June | 31.0% | 86.7% | ▲ 180.0% |
| July | 50.0% | 41.9% | ▼ 16.1% |
| August | 69.2% | – | – |
| September | 78.9% | – | – |
| October | 88.5% | – | in progress |
| November | 88.0% | – | – |
| December | 68.9% | – | – |
| Year-to-date average (Jan–Jul) | 66.2% | 76.4% | ▲ 15.4% |
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 | 4 | 2 | ▼ 50.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 5 | 3 | ▼ 40.0% |
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 98.6% 775
- Cancelled 1.4% 11
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL GPT Hartsfield Jackson Atlanta International Airport – Gulfport Biloxi International Airport | 566 | 13.2 min | 77.8% | 462 |
| MYR ATL Myrtle Beach International Airport – Hartsfield Jackson Atlanta International Airport | 509 | 15.0 min | 69.4% | 162 |
| ATL MYR Hartsfield Jackson Atlanta International Airport – Myrtle Beach International Airport | 509 | 17.2 min | 68.9% | 162 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 80.0% | 0 |
| November 2024 | 29 | 29 | 96.6% | 0 |
| December 2024 | 31 | 31 | 83.9% | 0 |
| January 2025 | 31 | 27 | 85.2% | 4 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 31 | 31 | 71.0% | 0 |
| April 2025 | 30 | 30 | 83.3% | 0 |
| May 2025 | 31 | 31 | 64.5% | 0 |
| June 2025 | 43 | 42 | 31.0% | 1 |
| July 2025 | 46 | 46 | 50.0% | 0 |
| August 2025 | 52 | 52 | 69.2% | 0 |
| September 2025 | 52 | 52 | 78.9% | 0 |
| October 2025 | 52 | 52 | 88.5% | 0 |
| November 2025 | 52 | 50 | 88.0% | 2 |
| December 2025 | 46 | 45 | 68.9% | 1 |
| January 2026 | 31 | 29 | 86.2% | 2 |
| February 2026 | 28 | 28 | 85.7% | 0 |
| March 2026 | 31 | 31 | 74.2% | 0 |
| April 2026 | 30 | 29 | 82.8% | 1 |
| May 2026 | 31 | 31 | 77.4% | 0 |
| June 2026 | 30 | 30 | 86.7% | 0 |
| July 2026 | 31 | 31 | 41.9% | 0 |