DL1220
DL1220 (Delta Air Lines) is a multi-stop service on 7 routes, busiest Denver to Minneapolis. Of 521 departures recorded from October 2024 to July 2026, 64.8% left on time, according to the US BTS.
- On-time departures64.8%of 521 flights
- Average delay24.2 min
- July 202624▲ 4.3%vs July 2025
- Cancelled0.2%
- Legs flown under this number7
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 | 11 | 25 | ▲ 127.3% |
| February | 13 | 28 | ▲ 115.4% |
| March | 26 | 29 | ▲ 11.5% |
| April | 26 | 26 | 0.0% |
| May | 30 | 25 | ▼ 16.7% |
| June | 25 | 23 | ▼ 8.0% |
| July | 23 | 24 | ▲ 4.3% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 18 | – | – |
| Year to date (Jan–Jul) | 154 | 180 | ▲ 16.9% |
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 | 81.8% | 68.0% | ▼ 16.9% |
| February | 61.5% | 78.6% | ▲ 27.7% |
| March | 73.1% | 79.3% | ▲ 8.5% |
| April | 46.2% | 80.8% | ▲ 75.0% |
| May | 60.0% | 68.0% | ▲ 13.3% |
| June | 16.0% | 39.1% | ▲ 144.6% |
| July | 30.4% | 62.5% | ▲ 105.4% |
| August | 48.3% | – | – |
| September | 83.3% | – | – |
| October | 80.7% | – | in progress |
| November | 75.9% | – | – |
| December | 52.9% | – | – |
| Year-to-date average (Jan–Jul) | 52.7% | 68.0% | ▲ 29.1% |
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 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 0 | 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 99.8% 520
- Cancelled 0.2% 1
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN MSP Denver International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 1,092 | 24.3 min | 64.1% | 435 |
| SAT LAX San Antonio International Airport – Los Angeles International Airport | 1,945 | 19.2 min | 76.0% | 50 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 91.7% | 0 |
| November 2024 | 11 | 11 | 90.9% | 0 |
| December 2024 | 27 | 27 | 74.1% | 0 |
| January 2025 | 11 | 11 | 81.8% | 0 |
| February 2025 | 13 | 13 | 61.5% | 0 |
| March 2025 | 26 | 26 | 73.1% | 0 |
| April 2025 | 26 | 26 | 46.2% | 0 |
| May 2025 | 30 | 30 | 60.0% | 0 |
| June 2025 | 25 | 25 | 16.0% | 0 |
| July 2025 | 23 | 23 | 30.4% | 0 |
| August 2025 | 29 | 29 | 48.3% | 0 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 31 | 31 | 80.7% | 0 |
| November 2025 | 29 | 29 | 75.9% | 0 |
| December 2025 | 18 | 17 | 52.9% | 1 |
| January 2026 | 25 | 25 | 68.0% | 0 |
| February 2026 | 28 | 28 | 78.6% | 0 |
| March 2026 | 29 | 29 | 79.3% | 0 |
| April 2026 | 26 | 26 | 80.8% | 0 |
| May 2026 | 25 | 25 | 68.0% | 0 |
| June 2026 | 23 | 23 | 39.1% | 0 |
| July 2026 | 24 | 24 | 62.5% | 0 |