DL554
DL554 (Delta Air Lines) is a multi-stop service on 5 routes, busiest Seattle to Atlanta. Of 645 departures recorded from October 2024 to July 2026, 80.5% left on time, according to the US BTS.
- On-time departures80.5%of 645 flights
- Average delay12.5 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.5%
- Legs flown under this number5
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 | 31 | 25 | ▼ 19.4% |
| February | 28 | 22 | ▼ 21.4% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 212 | 200 | ▼ 5.7% |
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 | 76.7% | 87.5% | ▲ 14.1% |
| February | 78.6% | 95.2% | ▲ 21.2% |
| March | 74.2% | 77.4% | ▲ 4.4% |
| April | 66.7% | 83.3% | ▲ 25.0% |
| May | 77.4% | 74.2% | ▼ 4.2% |
| June | 90.0% | 76.7% | ▼ 14.8% |
| July | 90.3% | 64.5% | ▼ 28.6% |
| August | 83.9% | – | – |
| September | 90.0% | – | – |
| October | 77.4% | – | in progress |
| November | 82.8% | – | – |
| December | 54.8% | – | – |
| Year-to-date average (Jan–Jul) | 79.1% | 79.8% | ▲ 0.9% |
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 | 1 | 1 | 0.0% |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 2 | ▲ 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 99.5% 642
- Cancelled 0.5% 3
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 |
|---|---|---|---|---|
| SEA ATL Seattle–Tacoma International Airport – Hartsfield Jackson Atlanta International Airport | 3,505 | 10.6 min | 81.7% | 497 |
| DFW LGA Dallas Fort Worth International Airport – LaGuardia Airport | 2,231 | 27.8 min | 75.4% | 62 |
| CLT MSP Charlotte Douglas International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 1,496 | 26.3 min | 61.1% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 30 | 30 | 96.7% | 0 |
| December 2024 | 31 | 31 | 87.1% | 0 |
| January 2025 | 31 | 30 | 76.7% | 1 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 31 | 31 | 74.2% | 0 |
| April 2025 | 30 | 30 | 66.7% | 0 |
| May 2025 | 31 | 31 | 77.4% | 0 |
| June 2025 | 30 | 30 | 90.0% | 0 |
| July 2025 | 31 | 31 | 90.3% | 0 |
| August 2025 | 31 | 31 | 83.9% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 31 | 31 | 77.4% | 0 |
| November 2025 | 29 | 29 | 82.8% | 0 |
| December 2025 | 31 | 31 | 54.8% | 0 |
| January 2026 | 25 | 24 | 87.5% | 1 |
| February 2026 | 22 | 21 | 95.2% | 1 |
| March 2026 | 31 | 31 | 77.4% | 0 |
| April 2026 | 30 | 30 | 83.3% | 0 |
| May 2026 | 31 | 31 | 74.2% | 0 |
| June 2026 | 30 | 30 | 76.7% | 0 |
| July 2026 | 31 | 31 | 64.5% | 0 |