DL2171
DL2171 (Delta Air Lines) is a multi-stop service on 11 routes, busiest Detroit to Portland. Of 603 departures recorded from October 2024 to July 2026, 84.2% left on time, according to the US BTS.
- On-time departures84.2%of 603 flights
- Average delay6.9 min
- July 202662▲ 14.8%vs July 2025
- Cancelled0.2%
- Legs flown under this number11
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 10 | – |
| March | 23 | 4 | ▼ 82.6% |
| April | 47 | – | – |
| May | 30 | 25 | ▼ 16.7% |
| June | 46 | 54 | ▲ 17.4% |
| July | 54 | 62 | ▲ 14.8% |
| August | 50 | – | – |
| September | 52 | – | – |
| October | 60 | – | in progress |
| November | 16 | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 90.0% | – |
| March | 78.3% | 100.0% | ▲ 27.8% |
| April | 78.7% | – | – |
| May | 73.3% | 80.0% | ▲ 9.1% |
| June | 65.2% | 90.7% | ▲ 39.1% |
| July | 75.9% | 83.9% | ▲ 10.5% |
| August | 86.0% | – | – |
| September | 98.1% | – | – |
| October | 93.3% | – | in progress |
| November | 75.0% | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 0 | – |
| March | 0 | 1 | – |
| April | 0 | – | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
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 99.8% 602
- Cancelled 0.2% 1
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PDX DTW Portland International Airport – Detroit Metropolitan Wayne County Airport | 3,135 | 8.1 min | 82.2% | 191 |
| DTW PDX Detroit Metropolitan Wayne County Airport – Portland International Airport | 3,135 | 4.6 min | 87.4% | 191 |
| ORD SLC Chicago O'Hare International Airport – Salt Lake City International Airport | 2,006 | 24.2 min | 77.8% | 36 |
| LAS MSP Harry Reid International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 2,088 | 5.0 min | 80.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 36 | 36 | 88.9% | 0 |
| November 2024 | 32 | 32 | 96.9% | 0 |
| December 2024 | 2 | 2 | 50.0% | 0 |
| March 2025 | 23 | 23 | 78.3% | 0 |
| April 2025 | 47 | 47 | 78.7% | 0 |
| May 2025 | 30 | 30 | 73.3% | 0 |
| June 2025 | 46 | 46 | 65.2% | 0 |
| July 2025 | 54 | 54 | 75.9% | 0 |
| August 2025 | 50 | 50 | 86.0% | 0 |
| September 2025 | 52 | 52 | 98.1% | 0 |
| October 2025 | 60 | 60 | 93.3% | 0 |
| November 2025 | 16 | 16 | 75.0% | 0 |
| February 2026 | 10 | 10 | 90.0% | 0 |
| March 2026 | 4 | 3 | 100.0% | 1 |
| May 2026 | 25 | 25 | 80.0% | 0 |
| June 2026 | 54 | 54 | 90.7% | 0 |
| July 2026 | 62 | 62 | 83.9% | 0 |