DL406
DL406 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Atlanta to Bozeman. Of 1,274 departures recorded from October 2024 to July 2026, 84.4% left on time, according to the US BTS.
- On-time departures84.4%of 1,274 flights
- Average delay10.7 min
- July 202662▲ 0.0%vs July 2025
- Cancelled0.9%
- Legs flown under this number2
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 | 62 | 62 | 0.0% |
| February | 56 | 56 | 0.0% |
| March | 62 | 62 | 0.0% |
| April | 60 | 60 | 0.0% |
| May | 62 | 62 | 0.0% |
| June | 60 | 60 | 0.0% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 58 | – | – |
| December | 62 | – | – |
| Year to date (Jan–Jul) | 424 | 424 | 0.0% |
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 | 73.3% | 85.0% | ▲ 15.9% |
| February | 82.1% | 85.7% | ▲ 4.3% |
| March | 73.8% | 90.0% | ▲ 22.0% |
| April | 89.7% | 80.0% | ▼ 10.8% |
| May | 83.9% | 79.0% | ▼ 5.8% |
| June | 76.7% | 85.0% | ▲ 10.9% |
| July | 91.9% | 83.9% | ▼ 8.8% |
| August | 82.3% | – | – |
| September | 95.0% | – | – |
| October | 87.1% | – | in progress |
| November | 92.9% | – | – |
| December | 82.3% | – | – |
| Year-to-date average (Jan–Jul) | 81.6% | 84.1% | ▲ 3.0% |
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 | 2 | 2 | 0.0% |
| February | 0 | 0 | – |
| March | 1 | 2 | ▲ 100.0% |
| April | 2 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 5 | 4 | ▼ 20.0% |
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 99.1% 1,262
- Cancelled 0.9% 12
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BZN ATL Bozeman Yellowstone International Airport – Hartsfield Jackson Atlanta International Airport | 2,636 | 17.4 min | 81.8% | 637 |
| ATL BZN Hartsfield Jackson Atlanta International Airport – Bozeman Yellowstone International Airport | 2,636 | 4.0 min | 87.0% | 637 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 26 | 26 | 92.3% | 0 |
| November 2024 | 46 | 46 | 87.0% | 0 |
| December 2024 | 50 | 49 | 83.7% | 1 |
| January 2025 | 62 | 60 | 73.3% | 2 |
| February 2025 | 56 | 56 | 82.1% | 0 |
| March 2025 | 62 | 61 | 73.8% | 1 |
| April 2025 | 60 | 58 | 89.7% | 2 |
| May 2025 | 62 | 62 | 83.9% | 0 |
| June 2025 | 60 | 60 | 76.7% | 0 |
| July 2025 | 62 | 62 | 91.9% | 0 |
| August 2025 | 62 | 62 | 82.3% | 0 |
| September 2025 | 60 | 60 | 95.0% | 0 |
| October 2025 | 62 | 62 | 87.1% | 0 |
| November 2025 | 58 | 56 | 92.9% | 2 |
| December 2025 | 62 | 62 | 82.3% | 0 |
| January 2026 | 62 | 60 | 85.0% | 2 |
| February 2026 | 56 | 56 | 85.7% | 0 |
| March 2026 | 62 | 60 | 90.0% | 2 |
| April 2026 | 60 | 60 | 80.0% | 0 |
| May 2026 | 62 | 62 | 79.0% | 0 |
| June 2026 | 60 | 60 | 85.0% | 0 |
| July 2026 | 62 | 62 | 83.9% | 0 |