DL537
DL537 (Delta Air Lines) flies Atlanta to Washington. Of 657 departures recorded from October 2024 to July 2026, 71.1% left on time, according to the US BTS.
- On-time departures71.1%of 657 flights
- Average delay15.2 min
- July 202631▲ 0.0%vs July 2025
- Cancelled3.2%
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 | 31 | 0.0% |
| 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 | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 212 | 212 | 0.0% |
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 | 66.7% | 82.1% | ▲ 23.2% |
| February | 51.9% | 85.2% | ▲ 64.3% |
| March | 61.3% | 73.3% | ▲ 19.6% |
| April | 67.9% | 80.0% | ▲ 17.9% |
| May | 61.3% | 67.7% | ▲ 10.5% |
| June | 62.1% | 75.9% | ▲ 22.2% |
| July | 64.3% | 51.6% | ▼ 19.7% |
| August | 70.0% | – | – |
| September | 93.3% | – | – |
| October | 96.8% | – | in progress |
| November | 64.3% | – | – |
| December | 48.3% | – | – |
| Year-to-date average (Jan–Jul) | 62.2% | 73.7% | ▲ 18.5% |
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 | 4 | 3 | ▼ 25.0% |
| February | 1 | 1 | 0.0% |
| March | 0 | 1 | – |
| April | 2 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 1 | 1 | 0.0% |
| July | 3 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 11 | 6 | ▼ 45.5% |
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 96.8% 636
- Cancelled 3.2% 21
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 DCA Hartsfield Jackson Atlanta International Airport – Ronald Reagan Washington National Airport | 880 | 15.2 min | 71.1% | 657 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 30 | 30 | 83.3% | 0 |
| December 2024 | 31 | 31 | 64.5% | 0 |
| January 2025 | 31 | 27 | 66.7% | 4 |
| February 2025 | 28 | 27 | 51.9% | 1 |
| March 2025 | 31 | 31 | 61.3% | 0 |
| April 2025 | 30 | 28 | 67.9% | 2 |
| May 2025 | 31 | 31 | 61.3% | 0 |
| June 2025 | 30 | 29 | 62.1% | 1 |
| July 2025 | 31 | 28 | 64.3% | 3 |
| August 2025 | 31 | 30 | 70.0% | 1 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| November 2025 | 29 | 28 | 64.3% | 1 |
| December 2025 | 31 | 29 | 48.3% | 2 |
| January 2026 | 31 | 28 | 82.1% | 3 |
| February 2026 | 28 | 27 | 85.2% | 1 |
| March 2026 | 31 | 30 | 73.3% | 1 |
| April 2026 | 30 | 30 | 80.0% | 0 |
| May 2026 | 31 | 31 | 67.7% | 0 |
| June 2026 | 30 | 29 | 75.9% | 1 |
| July 2026 | 31 | 31 | 51.6% | 0 |