DL903
DL903 (Delta Air Lines) is a multi-stop service on 5 routes, busiest Atlanta to Seattle. Of 497 departures recorded from October 2024 to July 2026, 76.0% left on time, according to the US BTS.
- On-time departures76.0%of 497 flights
- Average delay12.0 min
- July 202631▲ 106.7%vs July 2025
- Cancelled1.2%
- 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 | 12 | 31 | ▲ 158.3% |
| February | 12 | 14 | ▲ 16.7% |
| March | 18 | 15 | ▼ 16.7% |
| April | 18 | 25 | ▲ 38.9% |
| May | 18 | 31 | ▲ 72.2% |
| June | 16 | 30 | ▲ 87.5% |
| July | 15 | 31 | ▲ 106.7% |
| August | 28 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 109 | 177 | ▲ 62.4% |
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 | 58.3% | 72.4% | ▲ 24.1% |
| February | 83.3% | 85.7% | ▲ 2.9% |
| March | 77.8% | 73.3% | ▼ 5.7% |
| April | 72.2% | 80.0% | ▲ 10.8% |
| May | 50.0% | 61.3% | ▲ 22.6% |
| June | 64.3% | 86.7% | ▲ 34.8% |
| July | 80.0% | 48.4% | ▼ 39.5% |
| August | 85.7% | – | – |
| September | 96.7% | – | – |
| October | 90.3% | – | in progress |
| November | 86.2% | – | – |
| December | 66.7% | – | – |
| Year-to-date average (Jan–Jul) | 69.4% | 72.5% | ▲ 4.5% |
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 | 2 | – |
| 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 | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 2 | 2 | 0.0% |
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 98.8% 491
- Cancelled 1.2% 6
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 |
|---|---|---|---|---|
| ATL SEA Hartsfield Jackson Atlanta International Airport – Seattle–Tacoma International Airport | 3,505 | 12.7 min | 75.6% | 398 |
| ATL BWI Hartsfield Jackson Atlanta International Airport – Baltimore/Washington International Thurgood Marshall Airport | 928 | 13.7 min | 75.0% | 42 |
| IAH SLC George Bush Intercontinental Airport – Salt Lake City International Airport | 1,923 | 1.5 min | 84.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 92.9% | 0 |
| November 2024 | 18 | 18 | 83.3% | 0 |
| December 2024 | 29 | 29 | 72.4% | 0 |
| January 2025 | 12 | 12 | 58.3% | 0 |
| February 2025 | 12 | 12 | 83.3% | 0 |
| March 2025 | 18 | 18 | 77.8% | 0 |
| April 2025 | 18 | 18 | 72.2% | 0 |
| May 2025 | 18 | 18 | 50.0% | 0 |
| June 2025 | 16 | 14 | 64.3% | 2 |
| July 2025 | 15 | 15 | 80.0% | 0 |
| August 2025 | 28 | 28 | 85.7% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 30 | 29 | 86.2% | 1 |
| December 2025 | 31 | 30 | 66.7% | 1 |
| January 2026 | 31 | 29 | 72.4% | 2 |
| February 2026 | 14 | 14 | 85.7% | 0 |
| March 2026 | 15 | 15 | 73.3% | 0 |
| April 2026 | 25 | 25 | 80.0% | 0 |
| May 2026 | 31 | 31 | 61.3% | 0 |
| June 2026 | 30 | 30 | 86.7% | 0 |
| July 2026 | 31 | 31 | 48.4% | 0 |