DL1211
DL1211 (Delta Air Lines) flies Miami to Atlanta. Of 635 departures recorded from October 2024 to July 2026, 94.2% left on time, according to the US BTS.
- On-time departures94.2%of 635 flights
- Average delay2.9 min
- July 202631▲ 14.8%vs July 2025
- Cancelled1.9%
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 30 | 31 | ▲ 3.3% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 28 | 30 | ▲ 7.1% |
| May | 30 | 31 | ▲ 3.3% |
| June | 28 | 30 | ▲ 7.1% |
| July | 27 | 31 | ▲ 14.8% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 27 | – | in progress |
| November | 28 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 202 | 212 | ▲ 5.0% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 86.2% | 96.7% | ▲ 12.1% |
| February | 89.3% | 92.9% | ▲ 4.0% |
| March | 87.1% | 93.3% | ▲ 7.2% |
| April | 92.6% | 93.3% | ▲ 0.8% |
| May | 100.0% | 96.8% | ▼ 3.2% |
| June | 100.0% | 96.4% | ▼ 3.6% |
| July | 96.2% | 96.6% | ▲ 0.4% |
| August | 96.8% | – | – |
| September | 90.0% | – | – |
| October | 92.6% | – | in progress |
| November | 92.6% | – | – |
| December | 92.9% | – | – |
| Year-to-date average (Jan–Jul) | 93.0% | 95.1% | ▲ 2.2% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 1 | 2 | ▲ 100.0% |
| July | 1 | 2 | ▲ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 4 | 6 | ▲ 50.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 98.1% 623
- Cancelled 1.9% 12
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MIA ATL Miami International Airport – Hartsfield Jackson Atlanta International Airport | 959 | 2.9 min | 94.2% | 635 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 28 | 28 | 92.9% | 0 |
| December 2024 | 28 | 28 | 100.0% | 0 |
| January 2025 | 30 | 29 | 86.2% | 1 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 31 | 31 | 87.1% | 0 |
| April 2025 | 28 | 27 | 92.6% | 1 |
| May 2025 | 30 | 30 | 100.0% | 0 |
| June 2025 | 28 | 27 | 100.0% | 1 |
| July 2025 | 27 | 26 | 96.2% | 1 |
| August 2025 | 31 | 31 | 96.8% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 27 | 27 | 92.6% | 0 |
| November 2025 | 28 | 27 | 92.6% | 1 |
| December 2025 | 29 | 28 | 92.9% | 1 |
| January 2026 | 31 | 30 | 96.7% | 1 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 31 | 30 | 93.3% | 1 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 31 | 31 | 96.8% | 0 |
| June 2026 | 30 | 28 | 96.4% | 2 |
| July 2026 | 31 | 29 | 96.6% | 2 |