DL1913
DL1913 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Detroit to San Juan. Of 1,148 departures recorded from October 2024 to July 2026, 86.2% left on time, according to the US BTS.
- On-time departures86.2%of 1,148 flights
- Average delay7.0 min
- July 202662▲ 0.0%vs July 2025
- Cancelled0.6%
- 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 | 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 | 30 | – | – |
| September | 22 | – | – |
| October | 24 | – | in progress |
| November | 52 | – | – |
| 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 | 87.1% | 66.7% | ▼ 23.5% |
| February | 78.6% | 94.6% | ▲ 20.5% |
| March | 87.1% | 83.3% | ▼ 4.3% |
| April | 95.0% | 90.0% | ▼ 5.3% |
| May | 85.5% | 91.9% | ▲ 7.6% |
| June | 88.3% | 83.1% | ▼ 6.0% |
| July | 87.1% | 87.1% | 0.0% |
| August | 96.7% | – | – |
| September | 90.9% | – | – |
| October | 87.5% | – | in progress |
| November | 76.5% | – | – |
| December | 80.3% | – | – |
| Year-to-date average (Jan–Jul) | 87.0% | 85.2% | ▼ 2.0% |
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 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| 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 99.4% 1,141
- Cancelled 0.6% 7
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 |
|---|---|---|---|---|
| SJU DTW Luis Munoz Marin International Airport – Detroit Metropolitan Wayne County Airport | 3,111 | 9.4 min | 83.3% | 574 |
| DTW SJU Detroit Metropolitan Wayne County Airport – Luis Munoz Marin International Airport | 3,111 | 4.7 min | 89.0% | 574 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 6 | 6 | 83.3% | 0 |
| November 2024 | 42 | 42 | 95.2% | 0 |
| December 2024 | 62 | 62 | 87.1% | 0 |
| January 2025 | 62 | 62 | 87.1% | 0 |
| February 2025 | 56 | 56 | 78.6% | 0 |
| March 2025 | 62 | 62 | 87.1% | 0 |
| April 2025 | 60 | 60 | 95.0% | 0 |
| May 2025 | 62 | 62 | 85.5% | 0 |
| June 2025 | 60 | 60 | 88.3% | 0 |
| July 2025 | 62 | 62 | 87.1% | 0 |
| August 2025 | 30 | 30 | 96.7% | 0 |
| September 2025 | 22 | 22 | 90.9% | 0 |
| October 2025 | 24 | 24 | 87.5% | 0 |
| November 2025 | 52 | 51 | 76.5% | 1 |
| December 2025 | 62 | 61 | 80.3% | 1 |
| January 2026 | 62 | 60 | 66.7% | 2 |
| February 2026 | 56 | 56 | 94.6% | 0 |
| March 2026 | 62 | 60 | 83.3% | 2 |
| April 2026 | 60 | 60 | 90.0% | 0 |
| May 2026 | 62 | 62 | 91.9% | 0 |
| June 2026 | 60 | 59 | 83.1% | 1 |
| July 2026 | 62 | 62 | 87.1% | 0 |