DL1327
DL1327 (Delta Air Lines) is a multi-stop service on 15 routes, busiest Detroit to San Francisco. Of 519 departures recorded from October 2024 to July 2026, 70.6% left on time, according to the US BTS.
- On-time departures70.6%of 519 flights
- Average delay20.8 min
- July 202627▲ 0.0%vs July 2025
- Cancelled1.7%
- Legs flown under this number15
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 | 12 | 30 | ▲ 150.0% |
| February | 12 | 28 | ▲ 133.3% |
| March | 7 | 31 | ▲ 342.9% |
| April | 4 | 30 | ▲ 650.0% |
| May | 26 | 26 | 0.0% |
| June | 21 | 27 | ▲ 28.6% |
| July | 27 | 27 | 0.0% |
| August | 29 | – | – |
| September | 25 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 28 | – | – |
| Year to date (Jan–Jul) | 109 | 199 | ▲ 82.6% |
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 | 66.7% | 86.2% | ▲ 29.3% |
| February | 75.0% | 88.0% | ▲ 17.3% |
| March | 28.6% | 86.2% | ▲ 201.8% |
| April | 75.0% | 96.7% | ▲ 28.9% |
| May | 42.3% | 46.2% | ▲ 9.1% |
| June | 70.0% | 37.0% | ▼ 47.1% |
| July | 63.0% | 59.3% | ▼ 5.9% |
| August | 72.4% | – | – |
| September | 92.0% | – | – |
| October | 80.7% | – | in progress |
| November | 65.5% | – | – |
| December | 61.5% | – | – |
| Year-to-date average (Jan–Jul) | 60.1% | 71.4% | ▲ 18.8% |
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 | 1 | – |
| February | 0 | 3 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 1 | 6 | ▲ 500.0% |
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 98.3% 510
- Cancelled 1.7% 9
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DTW SFO Detroit Metropolitan Wayne County Airport – San Francisco International Airport | 3,337 | 22.2 min | 64.1% | 248 |
| FLL JFK Fort Lauderdale Hollywood International Airport – John F. Kennedy International Airport | 1,723 | 7.7 min | 89.1% | 98 |
| MCO BOS Orlando International Airport – Boston Logan International Airport | 1,806 | 71.9 min | 46.9% | 32 |
| TPA LGA Tampa International Airport – LaGuardia Airport | 1,628 | 10.1 min | 74.2% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 66.7% | 0 |
| November 2024 | 19 | 19 | 84.2% | 0 |
| December 2024 | 38 | 38 | 76.3% | 0 |
| January 2025 | 12 | 12 | 66.7% | 0 |
| February 2025 | 12 | 12 | 75.0% | 0 |
| March 2025 | 7 | 7 | 28.6% | 0 |
| April 2025 | 4 | 4 | 75.0% | 0 |
| May 2025 | 26 | 26 | 42.3% | 0 |
| June 2025 | 21 | 20 | 70.0% | 1 |
| July 2025 | 27 | 27 | 63.0% | 0 |
| August 2025 | 29 | 29 | 72.4% | 0 |
| September 2025 | 25 | 25 | 92.0% | 0 |
| October 2025 | 31 | 31 | 80.7% | 0 |
| November 2025 | 29 | 29 | 65.5% | 0 |
| December 2025 | 28 | 26 | 61.5% | 2 |
| January 2026 | 30 | 29 | 86.2% | 1 |
| February 2026 | 28 | 25 | 88.0% | 3 |
| March 2026 | 31 | 29 | 86.2% | 2 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 26 | 26 | 46.2% | 0 |
| June 2026 | 27 | 27 | 37.0% | 0 |
| July 2026 | 27 | 27 | 59.3% | 0 |