DL1140
DL1140 (Delta Air Lines) is a multi-stop service on 13 routes, busiest Washington to Atlanta. Of 550 departures recorded from October 2024 to July 2026, 76.9% left on time, according to the US BTS.
- On-time departures76.9%of 550 flights
- Average delay14.5 min
- July 202627▲ 68.8%vs July 2025
- Cancelled1.6%
- Legs flown under this number13
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 | 20 | 26 | ▲ 30.0% |
| February | 16 | 27 | ▲ 68.8% |
| March | 24 | 21 | ▼ 12.5% |
| April | 26 | 23 | ▼ 11.5% |
| May | 25 | 30 | ▲ 20.0% |
| June | 9 | 27 | ▲ 200.0% |
| July | 16 | 27 | ▲ 68.8% |
| August | 33 | – | – |
| September | 18 | – | – |
| October | 39 | – | in progress |
| November | 38 | – | – |
| December | 38 | – | – |
| Year to date (Jan–Jul) | 136 | 181 | ▲ 33.1% |
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 | 65.0% | 75.0% | ▲ 15.4% |
| February | 81.3% | 74.1% | ▼ 8.8% |
| March | 78.3% | 90.0% | ▲ 15.0% |
| April | 84.0% | 65.2% | ▼ 22.4% |
| May | 52.0% | 86.7% | ▲ 66.7% |
| June | 75.0% | 77.8% | ▲ 3.7% |
| July | 100.0% | 57.7% | ▼ 42.3% |
| August | 69.7% | – | – |
| September | 94.4% | – | – |
| October | 84.6% | – | in progress |
| November | 83.3% | – | – |
| December | 79.0% | – | – |
| Year-to-date average (Jan–Jul) | 76.5% | 75.2% | ▼ 1.7% |
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 | 0 | 2 | – |
| February | 0 | 0 | – |
| March | 1 | 1 | 0.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 4 | ▲ 33.3% |
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 98.4% 541
- Cancelled 1.6% 9
Share of all recorded flights in the period, all legs. · Oct 13, 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 |
|---|---|---|---|---|
| DCA ATL Ronald Reagan Washington National Airport – Hartsfield Jackson Atlanta International Airport | 880 | 11.3 min | 75.7% | 189 |
| ATL TLH Hartsfield Jackson Atlanta International Airport – Tallahassee International Airport | 360 | 5.7 min | 85.0% | 114 |
| CVG ATL Cincinnati Northern Kentucky International Airport – Hartsfield Jackson Atlanta International Airport | 602 | 36.0 min | 63.8% | 48 |
| TLH ATL Tallahassee International Airport – Hartsfield Jackson Atlanta International Airport | 360 | 10.6 min | 76.3% | 39 |
| CVG TPA Cincinnati Northern Kentucky International Airport – Tampa International Airport | 1,247 | 15.7 min | 74.3% | 35 |
| CVG RSW Cincinnati Northern Kentucky International Airport – Southwest Florida International Airport | 1,418 | 0.2 min | 87.1% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 81.3% | 0 |
| November 2024 | 24 | 24 | 95.8% | 0 |
| December 2024 | 27 | 27 | 51.9% | 0 |
| January 2025 | 20 | 20 | 65.0% | 0 |
| February 2025 | 16 | 16 | 81.3% | 0 |
| March 2025 | 24 | 23 | 78.3% | 1 |
| April 2025 | 26 | 25 | 84.0% | 1 |
| May 2025 | 25 | 25 | 52.0% | 0 |
| June 2025 | 9 | 8 | 75.0% | 1 |
| July 2025 | 16 | 16 | 100.0% | 0 |
| August 2025 | 33 | 33 | 69.7% | 0 |
| September 2025 | 18 | 18 | 94.4% | 0 |
| October 2025 | 39 | 39 | 84.6% | 0 |
| November 2025 | 38 | 36 | 83.3% | 2 |
| December 2025 | 38 | 38 | 79.0% | 0 |
| January 2026 | 26 | 24 | 75.0% | 2 |
| February 2026 | 27 | 27 | 74.1% | 0 |
| March 2026 | 21 | 20 | 90.0% | 1 |
| April 2026 | 23 | 23 | 65.2% | 0 |
| May 2026 | 30 | 30 | 86.7% | 0 |
| June 2026 | 27 | 27 | 77.8% | 0 |
| July 2026 | 27 | 26 | 57.7% | 1 |