DL3100
DL3100 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Birmingham to Atlanta. Of 1,229 departures recorded from October 2024 to July 2026, 91.3% left on time, according to the US BTS.
- On-time departures91.3%of 1,229 flights
- Average delay1.4 min
- July 202662▲ 0.0%vs July 2025
- Cancelled1.5%
- 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 | 59 | 58 | ▼ 1.7% |
| February | 56 | 50 | ▼ 10.7% |
| March | 56 | 61 | ▲ 8.9% |
| April | 58 | 60 | ▲ 3.4% |
| May | 57 | 62 | ▲ 8.8% |
| June | 59 | 60 | ▲ 1.7% |
| July | 62 | 62 | 0.0% |
| August | 52 | – | – |
| September | 44 | – | – |
| October | 59 | – | in progress |
| November | 55 | – | – |
| December | 56 | – | – |
| Year to date (Jan–Jul) | 407 | 413 | ▲ 1.5% |
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 | 84.2% | 88.9% | ▲ 5.6% |
| February | 91.1% | 94.0% | ▲ 3.2% |
| March | 89.3% | 91.2% | ▲ 2.2% |
| April | 89.3% | 96.7% | ▲ 8.3% |
| May | 94.7% | 90.3% | ▼ 4.7% |
| June | 86.4% | 91.7% | ▲ 6.1% |
| July | 83.9% | 96.8% | ▲ 15.4% |
| August | 98.0% | – | – |
| September | 95.5% | – | – |
| October | 94.9% | – | in progress |
| November | 88.7% | – | – |
| December | 88.9% | – | – |
| Year-to-date average (Jan–Jul) | 88.4% | 92.8% | ▲ 5.0% |
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 | 4 | ▲ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 4 | – |
| April | 2 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 4 | 8 | ▲ 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 98.5% 1,211
- Cancelled 1.5% 18
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 |
|---|---|---|---|---|
| BHM ATL Birmingham-Shuttlesworth International Airport – Hartsfield Jackson Atlanta International Airport | 215 | 1.9 min | 92.1% | 619 |
| ATL BHM Hartsfield Jackson Atlanta International Airport – Birmingham-Shuttlesworth International Airport | 215 | 0.9 min | 90.5% | 610 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 36 | 36 | 94.4% | 0 |
| November 2024 | 53 | 53 | 98.1% | 0 |
| December 2024 | 54 | 54 | 85.2% | 0 |
| January 2025 | 59 | 57 | 84.2% | 2 |
| February 2025 | 56 | 56 | 91.1% | 0 |
| March 2025 | 56 | 56 | 89.3% | 0 |
| April 2025 | 58 | 56 | 89.3% | 2 |
| May 2025 | 57 | 57 | 94.7% | 0 |
| June 2025 | 59 | 59 | 86.4% | 0 |
| July 2025 | 62 | 62 | 83.9% | 0 |
| August 2025 | 52 | 50 | 98.0% | 2 |
| September 2025 | 44 | 44 | 95.5% | 0 |
| October 2025 | 59 | 59 | 94.9% | 0 |
| November 2025 | 55 | 53 | 88.7% | 2 |
| December 2025 | 56 | 54 | 88.9% | 2 |
| January 2026 | 58 | 54 | 88.9% | 4 |
| February 2026 | 50 | 50 | 94.0% | 0 |
| March 2026 | 61 | 57 | 91.2% | 4 |
| April 2026 | 60 | 60 | 96.7% | 0 |
| May 2026 | 62 | 62 | 90.3% | 0 |
| June 2026 | 60 | 60 | 91.7% | 0 |
| July 2026 | 62 | 62 | 96.8% | 0 |