DL739
DL739 (Delta Air Lines) is a multi-stop service on 5 routes, busiest Seattle to Austin. Of 739 departures recorded from October 2024 to July 2026, 87.2% left on time, according to the US BTS.
- On-time departures87.2%of 739 flights
- Average delay6.1 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.0%
- 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 | 52 | 20 | ▼ 61.5% |
| February | 56 | 14 | ▼ 75.0% |
| March | 39 | 25 | ▼ 35.9% |
| April | 29 | 28 | ▼ 3.4% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 30 | – | – |
| December | 37 | – | – |
| Year to date (Jan–Jul) | 268 | 179 | ▼ 33.2% |
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 | 94.2% | 65.0% | ▼ 31.0% |
| February | 96.4% | 64.3% | ▼ 33.3% |
| March | 89.7% | 88.0% | ▼ 1.9% |
| April | 82.8% | 82.1% | ▼ 0.7% |
| May | 87.1% | 87.1% | 0.0% |
| June | 90.0% | 90.0% | 0.0% |
| July | 93.3% | 93.6% | ▲ 0.2% |
| August | 93.3% | – | – |
| September | 96.7% | – | – |
| October | 89.7% | – | in progress |
| November | 90.0% | – | – |
| December | 91.4% | – | – |
| Year-to-date average (Jan–Jul) | 90.5% | 81.4% | ▼ 10.0% |
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 | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| 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 99.1% 732
- Cancelled 0.9% 7
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 AUS Seattle–Tacoma International Airport – Austin Bergstrom International Airport | 2,848 | 4.8 min | 89.8% | 554 |
| AUS SEA Austin Bergstrom International Airport – Seattle–Tacoma International Airport | 2,848 | 8.2 min | 83.5% | 129 |
| SNA MSP John Wayne Orange County International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 2,446 | 21.8 min | 62.5% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 87.5% | 0 |
| November 2024 | 58 | 57 | 73.7% | 1 |
| December 2024 | 36 | 36 | 72.2% | 0 |
| January 2025 | 52 | 52 | 94.2% | 0 |
| February 2025 | 56 | 55 | 96.4% | 1 |
| March 2025 | 39 | 39 | 89.7% | 0 |
| April 2025 | 29 | 29 | 82.8% | 0 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 30 | 30 | 90.0% | 0 |
| July 2025 | 31 | 30 | 93.3% | 1 |
| August 2025 | 31 | 30 | 93.3% | 1 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 30 | 29 | 89.7% | 1 |
| November 2025 | 30 | 30 | 90.0% | 0 |
| December 2025 | 37 | 35 | 91.4% | 2 |
| January 2026 | 20 | 20 | 65.0% | 0 |
| February 2026 | 14 | 14 | 64.3% | 0 |
| March 2026 | 25 | 25 | 88.0% | 0 |
| April 2026 | 28 | 28 | 82.1% | 0 |
| May 2026 | 31 | 31 | 87.1% | 0 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 31 | 31 | 93.6% | 0 |