DL833
DL833 (Delta Air Lines) is a multi-stop service on 13 routes, busiest Boise to Atlanta. Of 519 departures recorded from October 2024 to July 2026, 81.7% left on time, according to the US BTS.
- On-time departures81.7%of 519 flights
- Average delay15.4 min
- July 202621▼ 19.2%vs July 2025
- Cancelled1.2%
- 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 | 5 | 31 | ▲ 520.0% |
| February | 4 | 28 | ▲ 600.0% |
| March | 14 | 31 | ▲ 121.4% |
| April | 12 | 30 | ▲ 150.0% |
| May | 13 | 30 | ▲ 130.8% |
| June | 23 | 6 | ▼ 73.9% |
| July | 26 | 21 | ▼ 19.2% |
| August | 47 | – | – |
| September | 60 | – | – |
| October | 36 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 97 | 177 | ▲ 82.5% |
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 | 100.0% | 80.7% | ▼ 19.3% |
| February | 100.0% | 96.4% | ▼ 3.6% |
| March | 64.3% | 92.6% | ▲ 44.0% |
| April | 58.3% | 93.1% | ▲ 59.6% |
| May | 61.5% | 86.7% | ▲ 40.8% |
| June | 73.9% | 83.3% | ▲ 12.7% |
| July | 38.5% | 81.0% | ▲ 110.5% |
| August | 80.9% | – | – |
| September | 93.3% | – | – |
| October | 88.6% | – | in progress |
| November | 80.0% | – | – |
| December | 71.0% | – | – |
| Year-to-date average (Jan–Jul) | 70.9% | 87.7% | ▲ 23.6% |
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 | 4 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 5 |
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 98.8% 513
- Cancelled 1.2% 6
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 30, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOI ATL Boise Air Terminal/Gowen Field – Hartsfield Jackson Atlanta International Airport | 2,953 | 36.4 min | 64.4% | 118 |
| AUS SEA Austin Bergstrom International Airport – Seattle–Tacoma International Airport | 2,848 | 14.7 min | 78.4% | 75 |
| IAH MSP George Bush Intercontinental Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 1,667 | 21.8 min | 87.1% | 62 |
| TRI ATL Tri-Cities Regional TN/VA Airport – Hartsfield Jackson Atlanta International Airport | 365 | 3.2 min | 87.3% | 55 |
| ATL TRI Hartsfield Jackson Atlanta International Airport – Tri-Cities Regional TN/VA Airport | 365 | 1.0 min | 90.9% | 55 |
| SLC OGG Salt Lake City International Airport – Kahului International Airport | 4,720 | 5.3 min | 93.6% | 36 |
| LAS MSP Harry Reid International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 2,088 | 2.2 min | 88.2% | 34 |
| DAL ATL Dallas Love Field – Hartsfield Jackson Atlanta International Airport | 1,158 | 11.6 min | 86.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 80.0% | 0 |
| November 2024 | 16 | 16 | 100.0% | 0 |
| December 2024 | 15 | 15 | 80.0% | 0 |
| January 2025 | 5 | 5 | 100.0% | 0 |
| February 2025 | 4 | 4 | 100.0% | 0 |
| March 2025 | 14 | 14 | 64.3% | 0 |
| April 2025 | 12 | 12 | 58.3% | 0 |
| May 2025 | 13 | 13 | 61.5% | 0 |
| June 2025 | 23 | 23 | 73.9% | 0 |
| July 2025 | 26 | 26 | 38.5% | 0 |
| August 2025 | 47 | 47 | 80.9% | 0 |
| September 2025 | 60 | 60 | 93.3% | 0 |
| October 2025 | 36 | 35 | 88.6% | 1 |
| November 2025 | 30 | 30 | 80.0% | 0 |
| December 2025 | 31 | 31 | 71.0% | 0 |
| January 2026 | 31 | 31 | 80.7% | 0 |
| February 2026 | 28 | 28 | 96.4% | 0 |
| March 2026 | 31 | 27 | 92.6% | 4 |
| April 2026 | 30 | 29 | 93.1% | 1 |
| May 2026 | 30 | 30 | 86.7% | 0 |
| June 2026 | 6 | 6 | 83.3% | 0 |
| July 2026 | 21 | 21 | 81.0% | 0 |