DL2427
DL2427 (Delta Air Lines) is a multi-stop service on 4 routes, busiest Colorado Springs to Atlanta. Of 557 departures recorded from October 2024 to July 2026, 82.0% left on time, according to the US BTS.
- On-time departures82.0%of 557 flights
- Average delay8.9 min
- July 202662
- Cancelled1.4%
- Legs flown under this number4
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods12 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 4 | 52 | ▲ 1,200.0% |
| February | – | 56 | – |
| March | 20 | 56 | ▲ 180.0% |
| April | 24 | 52 | ▲ 116.7% |
| May | 32 | 56 | ▲ 75.0% |
| June | 8 | 60 | ▲ 650.0% |
| July | – | 62 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 periods12 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 50.0% | 70.8% | ▲ 41.7% |
| February | – | 85.7% | – |
| March | 90.0% | 77.8% | ▼ 13.6% |
| April | 91.7% | 80.0% | ▼ 12.7% |
| May | 90.6% | 85.7% | ▼ 5.4% |
| June | 87.5% | 88.3% | ▲ 0.9% |
| July | – | 71.0% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 periods12 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 4 | – |
| February | – | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 2 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 98.6% 549
- Cancelled 1.4% 8
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| COS ATL City of Colorado Springs Municipal Airport – Hartsfield Jackson Atlanta International Airport | 1,903 | 12.0 min | 80.0% | 239 |
| ATL COS Hartsfield Jackson Atlanta International Airport – City of Colorado Springs Municipal Airport | 1,903 | 5.1 min | 83.8% | 239 |
| PHL ATL Philadelphia International Airport – Hartsfield Jackson Atlanta International Airport | 1,072 | 14.8 min | 78.4% | 51 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 84.2% | 0 |
| November 2024 | 28 | 28 | 85.7% | 0 |
| December 2024 | 28 | 28 | 82.1% | 0 |
| January 2025 | 4 | 4 | 50.0% | 0 |
| March 2025 | 20 | 20 | 90.0% | 0 |
| April 2025 | 24 | 24 | 91.7% | 0 |
| May 2025 | 32 | 32 | 90.6% | 0 |
| June 2025 | 8 | 8 | 87.5% | 0 |
| January 2026 | 52 | 48 | 70.8% | 4 |
| February 2026 | 56 | 56 | 85.7% | 0 |
| March 2026 | 56 | 54 | 77.8% | 2 |
| April 2026 | 52 | 50 | 80.0% | 2 |
| May 2026 | 56 | 56 | 85.7% | 0 |
| June 2026 | 60 | 60 | 88.3% | 0 |
| July 2026 | 62 | 62 | 71.0% | 0 |