DL1891
DL1891 (Delta Air Lines) is a multi-stop service on 2 routes, busiest Portland to Detroit. Of 292 departures recorded from June 2025 to November 2025, 84.2% left on time, according to the US BTS.
- On-time departures84.2%of 292 flights
- Average delay17.4 min
- November 202510
- Cancelled0.3%
- Legs flown under this number2
Recorded departures by month
Short series — DL1891 has only 6 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
The most recent periods6 periods
| Period | Departures 2024 | Departures 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | 46 | – |
| July | – | 58 | – |
| August | – | 62 | – |
| September | – | 60 | – |
| October | – | 56 | – |
| November | – | 10 | – |
| December | – | – | – |
according to the US BTS · June 2025 → November 2025
On-time departures by month
Short series — DL1891 has only 6 months so far. Enough to show the level now, not enough to read a trend.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods6 periods
| Period | On time 2024 | On time 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | 82.6% | – |
| July | – | 86.2% | – |
| August | – | 75.4% | – |
| September | – | 83.3% | – |
| October | – | 91.1% | – |
| November | – | 100.0% | – |
| December | – | – | – |
according to the US BTS · June 2025 → November 2025
Average departure delay by month
Short series — DL1891 has only 6 months so far. Enough to show the level now, not enough to read a trend.
according to the US BTS · June 2025 → November 2025
Cancelled departures by month
Short series — DL1891 has only 6 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods6 periods
| Period | Cancelled 2024 | Cancelled 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | 1 | – |
| September | – | 0 | – |
| October | – | 0 | – |
| November | – | 0 | – |
| December | – | – | – |
according to the US BTS · June 2025 → November 2025
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 99.7% 291
- Cancelled 0.3% 1
Share of all recorded flights in the period, all legs. · Jun 8, 2025 → Nov 7, 2025
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 |
|---|---|---|---|---|
| PWM DTW Portland International Jetport – Detroit Metropolitan Wayne County Airport | 1,073 | 27.8 min | 77.2% | 146 |
| DTW PWM Detroit Metropolitan Wayne County Airport – Portland International Jetport | 1,073 | 7.1 min | 91.1% | 146 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| June 2025 | 46 | 46 | 82.6% | 0 |
| July 2025 | 58 | 58 | 86.2% | 0 |
| August 2025 | 62 | 61 | 75.4% | 1 |
| September 2025 | 60 | 60 | 83.3% | 0 |
| October 2025 | 56 | 56 | 91.1% | 0 |
| November 2025 | 10 | 10 | 100.0% | 0 |