DL464
DL464 (Delta Air Lines) is a multi-stop service on 3 routes, busiest Boston to Salt Lake City. Of 606 departures recorded from October 2024 to July 2026, 83.9% left on time, according to the US BTS.
- On-time departures83.9%of 606 flights
- Average delay17.4 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.7%
- Legs flown under this number3
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 | 16 | 30 | ▲ 87.5% |
| February | 17 | 24 | ▲ 41.2% |
| March | 29 | 29 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 28 | – | – |
| December | 28 | – | – |
| Year to date (Jan–Jul) | 184 | 205 | ▲ 11.4% |
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 | 93.8% | 78.6% | ▼ 16.2% |
| February | 82.4% | 82.6% | ▲ 0.3% |
| March | 100.0% | 96.6% | ▼ 3.5% |
| April | 86.7% | 86.7% | 0.0% |
| May | 83.9% | 90.3% | ▲ 7.7% |
| June | 83.3% | 73.3% | ▼ 12.0% |
| July | 71.0% | 87.1% | ▲ 22.7% |
| August | 71.0% | – | – |
| September | 86.7% | – | – |
| October | 87.1% | – | in progress |
| November | 82.1% | – | – |
| December | 82.1% | – | – |
| Year-to-date average (Jan–Jul) | 85.8% | 85.0% | ▼ 1.0% |
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 | 0 | 2 | – |
| February | 0 | 1 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 3 | ▲ 200.0% |
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 99.3% 602
- Cancelled 0.7% 4
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS SLC Boston Logan International Airport – Salt Lake City International Airport | 3,380 | 17.6 min | 83.8% | 598 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 93.3% | 0 |
| November 2024 | 20 | 20 | 80.0% | 0 |
| December 2024 | 34 | 34 | 76.5% | 0 |
| January 2025 | 16 | 16 | 93.8% | 0 |
| February 2025 | 17 | 17 | 82.4% | 0 |
| March 2025 | 29 | 28 | 100.0% | 1 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 31 | 31 | 83.9% | 0 |
| June 2025 | 30 | 30 | 83.3% | 0 |
| July 2025 | 31 | 31 | 71.0% | 0 |
| August 2025 | 31 | 31 | 71.0% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 31 | 31 | 87.1% | 0 |
| November 2025 | 28 | 28 | 82.1% | 0 |
| December 2025 | 28 | 28 | 82.1% | 0 |
| January 2026 | 30 | 28 | 78.6% | 2 |
| February 2026 | 24 | 23 | 82.6% | 1 |
| March 2026 | 29 | 29 | 96.6% | 0 |
| April 2026 | 30 | 30 | 86.7% | 0 |
| May 2026 | 31 | 31 | 90.3% | 0 |
| June 2026 | 30 | 30 | 73.3% | 0 |
| July 2026 | 31 | 31 | 87.1% | 0 |