DL2551
DL2551 (Delta Air Lines) is a multi-stop service on 3 routes, busiest Los Angeles to Portland. Of 1,277 departures recorded from October 2024 to July 2026, 87.4% left on time, according to the US BTS.
- On-time departures87.4%of 1,277 flights
- Average delay4.7 min
- July 202662▲ 0.0%vs July 2025
- Cancelled0.4%
- Legs flown under this number3
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 | 56 | 56 | 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 | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 60 | – | – |
| December | 50 | – | – |
| Year to date (Jan–Jul) | 418 | 418 | 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 | 83.9% | 85.7% | ▲ 2.1% |
| February | 85.7% | 80.4% | ▼ 6.2% |
| March | 90.3% | 79.0% | ▼ 12.5% |
| April | 93.3% | 81.7% | ▼ 12.5% |
| May | 93.6% | 91.9% | ▼ 1.7% |
| June | 86.2% | 90.0% | ▲ 4.4% |
| July | 90.3% | 87.1% | ▼ 3.6% |
| August | 82.3% | – | – |
| September | 90.0% | – | – |
| October | 88.7% | – | in progress |
| November | 82.8% | – | – |
| December | 91.8% | – | – |
| Year-to-date average (Jan–Jul) | 89.1% | 85.1% | ▼ 4.4% |
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 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 2 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 2 | 0 | ▼ 100.0% |
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 99.6% 1,272
- Cancelled 0.4% 5
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAX PDX Los Angeles International Airport – Portland International Airport | 1,343 | 4.8 min | 86.7% | 624 |
| PDX LAX Portland International Airport – Los Angeles International Airport | 1,343 | 3.8 min | 88.6% | 622 |
| DFW MSP Dallas Fort Worth International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 1,372 | 21.0 min | 80.0% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 87.5% | 0 |
| November 2024 | 60 | 60 | 96.7% | 0 |
| December 2024 | 47 | 47 | 83.0% | 0 |
| January 2025 | 56 | 56 | 83.9% | 0 |
| February 2025 | 56 | 56 | 85.7% | 0 |
| March 2025 | 62 | 62 | 90.3% | 0 |
| April 2025 | 60 | 60 | 93.3% | 0 |
| May 2025 | 62 | 62 | 93.6% | 0 |
| June 2025 | 60 | 58 | 86.2% | 2 |
| July 2025 | 62 | 62 | 90.3% | 0 |
| August 2025 | 62 | 62 | 82.3% | 0 |
| September 2025 | 60 | 60 | 90.0% | 0 |
| October 2025 | 62 | 62 | 88.7% | 0 |
| November 2025 | 60 | 58 | 82.8% | 2 |
| December 2025 | 50 | 49 | 91.8% | 1 |
| January 2026 | 56 | 56 | 85.7% | 0 |
| February 2026 | 56 | 56 | 80.4% | 0 |
| March 2026 | 62 | 62 | 79.0% | 0 |
| April 2026 | 60 | 60 | 81.7% | 0 |
| May 2026 | 62 | 62 | 91.9% | 0 |
| June 2026 | 60 | 60 | 90.0% | 0 |
| July 2026 | 62 | 62 | 87.1% | 0 |