Likely delayed: there are delays at WN 389's airports as of 6:47 PM ET. It arrived on time 51% of the time in June-August 2026. When it was late, the average delay was 45 minutes. None were cancelled. AUS has major delays (runway construction, max 3 hours and 3 minutes), so this flight is likely to be delayed.
Likely delayed
Leg 2 of 3 (AUS → SEA): Likely delayed: AUS has major delays (runway construction, max 3 hours and 3 minutes). Scheduled to leave at 1:30 PM local time. This flight number flew about 3 days a week in June-August 2026, so it may not operate today.
Cancellation risk: High 0% of its flights were cancelled in June-August 2026; AUS has major delays; rough weather at AUS, SAT.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check Southwest for official times.
Book a backup seat AUS → BWIThis flight is cancelled often; a refundable backup costs little
What to do now
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| AUS → SAN Austin, TX to San Diego, CA | 12:00 PM → 12:50 PM | 45% |
| AUS → SEA Austin, TX to Seattle, WA | 1:30 PM → 3:50 PM | 25% |
| SAT → BWI San Antonio, TX to Baltimore, MD | 2:55 PM → 7:15 PM | 70% |
Local times. Schedules change; check your booking.
How reliable is WN 389?
| Arrived on time (within 15 min) | 51% |
| Average delay when late | 45 min |
| Cancelled | 0% |
| Diverted | 2% |
| Flights tracked | 102 |
Best and worst days to fly WN 389
WN 389 was most reliable on Saturdays (72% on time) and least reliable on Thursdays (33%).
| Monday | |
| Tuesday | |
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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 Southwest to the Department of Transportation.
Other flights AUS → SAN
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 Southwest app.
Southwest 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 WN 389 delayed today?
AUS has major delays (runway construction, max 3 hours and 3 minutes), so this flight is likely to be delayed. Checked 6:47 PM ET. For this flight's gate and exact status, check the Southwest app.
Is WN 389 usually on time?
WN 389 arrived within 15 minutes of schedule 51% of the time in June-August 2026, with an average delay of 45 minutes when late.
How often is WN 389 cancelled?
0% of WN 389 flights were cancelled in June-August 2026.