DL2549
DL2549 (Delta Air Lines) flies Atlanta to Dulles. Of 620 departures recorded from October 2024 to July 2026, 75.0% left on time, according to the US BTS.
- On-time departures75.0%of 620 flights
- Average delay24.2 min
- July 202631▲ 0.0%vs July 2025
- Cancelled2.7%
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 | 31 | 30 | ▼ 3.2% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 29 | – | – |
| October | 18 | – | in progress |
| November | 16 | – | – |
| December | 24 | – | – |
| Year to date (Jan–Jul) | 212 | 211 | ▼ 0.5% |
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 | 60.7% | 62.1% | ▲ 2.2% |
| February | 71.4% | 85.2% | ▲ 19.3% |
| March | 86.7% | 72.4% | ▼ 16.5% |
| April | 76.7% | 86.7% | ▲ 13.0% |
| May | 54.8% | 87.1% | ▲ 58.8% |
| June | 59.3% | 83.3% | ▲ 40.6% |
| July | 60.7% | 60.0% | ▼ 1.2% |
| August | 74.2% | – | – |
| September | 89.7% | – | – |
| October | 72.2% | – | in progress |
| November | 62.5% | – | – |
| December | 81.8% | – | – |
| Year-to-date average (Jan–Jul) | 67.2% | 76.7% | ▲ 14.1% |
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 | 3 | 1 | ▼ 66.7% |
| February | 0 | 1 | – |
| March | 1 | 2 | ▲ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 3 | 0 | ▼ 100.0% |
| July | 3 | 1 | ▼ 66.7% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 10 | 5 | ▼ 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 97.3% 603
- Cancelled 2.7% 17
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 |
|---|---|---|---|---|
| ATL IAD Hartsfield Jackson Atlanta International Airport – Washington Dulles International Airport | 859 | 24.2 min | 75.0% | 620 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 28 | 28 | 89.3% | 0 |
| December 2024 | 31 | 31 | 77.4% | 0 |
| January 2025 | 31 | 28 | 60.7% | 3 |
| February 2025 | 28 | 28 | 71.4% | 0 |
| March 2025 | 31 | 30 | 86.7% | 1 |
| April 2025 | 30 | 30 | 76.7% | 0 |
| May 2025 | 31 | 31 | 54.8% | 0 |
| June 2025 | 30 | 27 | 59.3% | 3 |
| July 2025 | 31 | 28 | 60.7% | 3 |
| August 2025 | 31 | 31 | 74.2% | 0 |
| September 2025 | 29 | 29 | 89.7% | 0 |
| October 2025 | 18 | 18 | 72.2% | 0 |
| November 2025 | 16 | 16 | 62.5% | 0 |
| December 2025 | 24 | 22 | 81.8% | 2 |
| January 2026 | 30 | 29 | 62.1% | 1 |
| February 2026 | 28 | 27 | 85.2% | 1 |
| March 2026 | 31 | 29 | 72.4% | 2 |
| April 2026 | 30 | 30 | 86.7% | 0 |
| May 2026 | 31 | 31 | 87.1% | 0 |
| June 2026 | 30 | 30 | 83.3% | 0 |
| July 2026 | 31 | 30 | 60.0% | 1 |