DL1398
DL1398 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Boston to New Orleans. Of 945 departures recorded from October 2024 to July 2026, 78.9% left on time, according to the US BTS.
- On-time departures78.9%of 945 flights
- Average delay18.3 min
- July 202631▼ 50.0%vs July 2025
- Cancelled1.6%
- 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 | 58 | 31 | ▼ 46.6% |
| February | 56 | 28 | ▼ 50.0% |
| March | 42 | 31 | ▼ 26.2% |
| April | 32 | 30 | ▼ 6.3% |
| May | 31 | 56 | ▲ 80.6% |
| June | 53 | 36 | ▼ 32.1% |
| July | 62 | 31 | ▼ 50.0% |
| August | 62 | – | – |
| September | 54 | – | – |
| October | 61 | – | in progress |
| November | 58 | – | – |
| December | 50 | – | – |
| Year to date (Jan–Jul) | 334 | 243 | ▼ 27.2% |
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 | 86.5% | 79.3% | ▼ 8.4% |
| February | 73.2% | 84.0% | ▲ 14.7% |
| March | 76.2% | 83.3% | ▲ 9.4% |
| April | 87.5% | 86.7% | ▼ 0.9% |
| May | 67.7% | 87.5% | ▲ 29.2% |
| June | 64.2% | 86.1% | ▲ 34.2% |
| July | 67.7% | 80.7% | ▲ 19.1% |
| August | 82.3% | – | – |
| September | 65.4% | – | – |
| October | 72.1% | – | in progress |
| November | 86.2% | – | – |
| December | 83.7% | – | – |
| Year-to-date average (Jan–Jul) | 74.7% | 83.9% | ▲ 12.3% |
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 | 6 | 2 | ▼ 66.7% |
| February | 0 | 3 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 2 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 6 | 6 | 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 98.4% 930
- Cancelled 1.6% 15
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 |
|---|---|---|---|---|
| BOS MSY Boston Logan International Airport – Louis Armstrong New Orleans International Airport | 2,200 | 9.1 min | 84.5% | 656 |
| MSY BOS Louis Armstrong New Orleans International Airport – Boston Logan International Airport | 2,200 | 39.1 min | 66.3% | 289 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 70.0% | 0 |
| November 2024 | 29 | 29 | 100.0% | 0 |
| December 2024 | 34 | 34 | 82.4% | 0 |
| January 2025 | 58 | 52 | 86.5% | 6 |
| February 2025 | 56 | 56 | 73.2% | 0 |
| March 2025 | 42 | 42 | 76.2% | 0 |
| April 2025 | 32 | 32 | 87.5% | 0 |
| May 2025 | 31 | 31 | 67.7% | 0 |
| June 2025 | 53 | 53 | 64.2% | 0 |
| July 2025 | 62 | 62 | 67.7% | 0 |
| August 2025 | 62 | 62 | 82.3% | 0 |
| September 2025 | 54 | 52 | 65.4% | 2 |
| October 2025 | 61 | 61 | 72.1% | 0 |
| November 2025 | 58 | 58 | 86.2% | 0 |
| December 2025 | 50 | 49 | 83.7% | 1 |
| January 2026 | 31 | 29 | 79.3% | 2 |
| February 2026 | 28 | 25 | 84.0% | 3 |
| March 2026 | 31 | 30 | 83.3% | 1 |
| April 2026 | 30 | 30 | 86.7% | 0 |
| May 2026 | 56 | 56 | 87.5% | 0 |
| June 2026 | 36 | 36 | 86.1% | 0 |
| July 2026 | 31 | 31 | 80.7% | 0 |