DL2127
DL2127 (Delta Air Lines) is a multi-stop service on 12 routes, busiest Dulles to Atlanta. Of 652 departures recorded from October 2024 to July 2026, 88.2% left on time, according to the US BTS.
- On-time departures88.2%of 652 flights
- Average delay7.7 min
- July 202631▼ 50.0%vs July 2025
- Cancelled1.5%
- Legs flown under this number12
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 10 | 13 | ▲ 30.0% |
| February | – | 29 | – |
| March | 23 | 32 | ▲ 39.1% |
| April | 28 | 30 | ▲ 7.1% |
| May | 26 | 31 | ▲ 19.2% |
| June | 52 | 30 | ▼ 42.3% |
| July | 62 | 31 | ▼ 50.0% |
| August | 20 | – | – |
| September | 28 | – | – |
| October | 27 | – | in progress |
| November | 24 | – | – |
| December | 19 | – | – |
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 | 70.0% | 90.0% | ▲ 28.6% |
| February | – | 85.7% | – |
| March | 78.3% | 78.1% | ▼ 0.2% |
| April | 78.6% | 96.7% | ▲ 23.0% |
| May | 80.8% | 93.6% | ▲ 15.8% |
| June | 75.0% | 93.1% | ▲ 24.1% |
| July | 86.9% | 86.7% | ▼ 0.3% |
| August | 100.0% | – | – |
| September | 96.4% | – | – |
| October | 96.3% | – | in progress |
| November | 87.0% | – | – |
| December | 84.2% | – | – |
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
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 3 | – |
| February | – | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 1 | 1 | 0.0% |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 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% 642
- Cancelled 1.5% 10
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IAD ATL Washington Dulles International Airport – Hartsfield Jackson Atlanta International Airport | 859 | 10.1 min | 91.2% | 268 |
| MCO MIA Orlando International Airport – Miami International Airport | 310 | -4.7 min | 96.5% | 86 |
| CHA ATL Chattanooga Metropolitan Airport (Lovell Field) – Hartsfield Jackson Atlanta International Airport | 171 | 11.0 min | 80.7% | 64 |
| ATL CHA Hartsfield Jackson Atlanta International Airport – Chattanooga Metropolitan Airport (Lovell Field) | 171 | 5.7 min | 87.3% | 64 |
| MIA MCO Miami International Airport – Orlando International Airport | 310 | -0.3 min | 88.5% | 61 |
| RDU MSP Raleigh-Durham International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 1,576 | 43.8 min | 75.0% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 95.0% | 0 |
| November 2024 | 40 | 40 | 97.5% | 0 |
| December 2024 | 57 | 57 | 93.0% | 0 |
| January 2025 | 10 | 10 | 70.0% | 0 |
| March 2025 | 23 | 23 | 78.3% | 0 |
| April 2025 | 28 | 28 | 78.6% | 0 |
| May 2025 | 26 | 26 | 80.8% | 0 |
| June 2025 | 52 | 52 | 75.0% | 0 |
| July 2025 | 62 | 61 | 86.9% | 1 |
| August 2025 | 20 | 18 | 100.0% | 2 |
| September 2025 | 28 | 28 | 96.4% | 0 |
| October 2025 | 27 | 27 | 96.3% | 0 |
| November 2025 | 24 | 23 | 87.0% | 1 |
| December 2025 | 19 | 19 | 84.2% | 0 |
| January 2026 | 13 | 10 | 90.0% | 3 |
| February 2026 | 29 | 28 | 85.7% | 1 |
| March 2026 | 32 | 32 | 78.1% | 0 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 31 | 31 | 93.6% | 0 |
| June 2026 | 30 | 29 | 93.1% | 1 |
| July 2026 | 31 | 30 | 86.7% | 1 |