Likely delayed: there are delays at DL 739's airports as of 6:46 PM ET. It arrived on time 92.4% of the time in June-August 2026. When it was late, the average delay was 1h 24m. None were cancelled. AUS has major delays (runway construction, max 3 hours and 3 minutes), so this flight is likely to be delayed.
High cancellation risk
Next leg SEA → AUS, scheduled 7:15 AM local time. No delays at SEA right now, and it usually runs on time. Line up a backup option.
0% of its flights were cancelled in June-August 2026; AUS has major delays; rough weather at AUS.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check Delta for official times.
Book a backup seat SEA → AUSThis flight is cancelled often; a refundable backup costs little
What to do now
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| SEA → AUS Seattle, WA to Austin, TX | 7:15 AM → 1:26 PM | 92% |
Local times. Schedules change; check your booking.
How reliable is DL 739?
| Arrived on time (within 15 min) | 92.4% |
| Average delay when late | 84 min |
| Cancelled | 0% |
| Diverted | 0% |
| Flights tracked | 92 |
Best and worst days to fly DL 739
DL 739 was most reliable on Tuesdays (100% on time) and least reliable on Mondays (71%).
| Monday | |
| Tuesday | |
| Wednesday | |
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Why it runs late
| Late-arriving plane | |
| Airline (crew, maintenance) | |
| Air traffic system | |
| Extreme weather |
Share of delay minutes by cause, as reported by Delta to the Department of Transportation.
Other flights SEA → AUS
All flights on this route, ranked
Live status at its airports
We show airport-wide airport status, not this flight's gate or live position. For that, check the Delta app.
Delta delays and what you're owed · Airline phone numbers
About this data
On-time history: U.S. Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, June-August 2026. Live conditions: live airport status. "On time" means arriving within 15 minutes of schedule.
Common questions
Is DL 739 delayed today?
AUS has major delays (runway construction, max 3 hours and 3 minutes), so this flight is likely to be delayed. Checked 6:46 PM ET. For this flight's gate and exact status, check the Delta app.
Is DL 739 usually on time?
DL 739 arrived within 15 minutes of schedule 92.4% of the time in June-August 2026, with an average delay of 84 minutes when late.
How often is DL 739 cancelled?
0% of DL 739 flights were cancelled in June-August 2026.